Home / 156,966.90-235,120.95-123,529.02

Finding the Fourth Proportional to 156,966.90, 235,120.95 and 123,529.02

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Solution

The fourth proportional to 156,966.90, 235,120.95 and 123,529.02 is: 185,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,966.90 : 235,120.95 = 123,529.02 : x
  2. Step 2: Convert to fraction form
    156,966.90/235,120.95 = 123,529.02/x
  3. Step 3: Cross multiply
    156,966.90x = 235,120.95 × 123,529.02
  4. Step 4: Simplify right side
    156,966.90x = 29,044,260,534.97
  5. Step 5: Solve for x
    x = 29,044,260,534.97/156,966.90
  6. Step 6: Final answer
    x = 185,034.30

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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.