Home / 238,954.06-329,753.99-131,521.78

Finding the Fourth Proportional to 238,954.06, 329,753.99 and 131,521.78

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Solution

The fourth proportional to 238,954.06, 329,753.99 and 131,521.78 is: 181,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,954.06 : 329,753.99 = 131,521.78 : x
  2. Step 2: Convert to fraction form
    238,954.06/329,753.99 = 131,521.78/x
  3. Step 3: Cross multiply
    238,954.06x = 329,753.99 × 131,521.78
  4. Step 4: Simplify right side
    238,954.06x = 43,369,831,069.29
  5. Step 5: Solve for x
    x = 43,369,831,069.29/238,954.06
  6. Step 6: Final answer
    x = 181,498.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.