Home / 156,787.06-235,185.06-38,458.30

Finding the Fourth Proportional to 156,787.06, 235,185.06 and 38,458.30

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Solution

The fourth proportional to 156,787.06, 235,185.06 and 38,458.30 is: 57,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,787.06 : 235,185.06 = 38,458.30 : x
  2. Step 2: Convert to fraction form
    156,787.06/235,185.06 = 38,458.30/x
  3. Step 3: Cross multiply
    156,787.06x = 235,185.06 × 38,458.30
  4. Step 4: Simplify right side
    156,787.06x = 9,044,817,593.00
  5. Step 5: Solve for x
    x = 9,044,817,593.00/156,787.06
  6. Step 6: Final answer
    x = 57,688.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.