Home / 187,517.30-281,275.94-82,337.18

Finding the Fourth Proportional to 187,517.30, 281,275.94 and 82,337.18

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Solution

The fourth proportional to 187,517.30, 281,275.94 and 82,337.18 is: 123,505.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,517.30 : 281,275.94 = 82,337.18 : x
  2. Step 2: Convert to fraction form
    187,517.30/281,275.94 = 82,337.18/x
  3. Step 3: Cross multiply
    187,517.30x = 281,275.94 × 82,337.18
  4. Step 4: Simplify right side
    187,517.30x = 23,159,466,500.91
  5. Step 5: Solve for x
    x = 23,159,466,500.91/187,517.30
  6. Step 6: Final answer
    x = 123,505.76

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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.