8 While the row of rooms on the side next to the outer court was fifty cubits long, the row on the side nearest the sanctuary was a hundred cubits long.

Read Ezekiel 42:8 Using Other Translations

For the length of the chambers that were in the utter court was fifty cubits: and, lo, before the temple were an hundred cubits.
For the chambers on the outer court were fifty cubits long, while those opposite the nave were a hundred cubits long.
This wall added length to the outer block of rooms, which extended for only 87 feet, while the inner block—the rooms toward the Temple—extended for 175 feet.