Home / 135,951.17-187,591.82-75,516.26

Finding the Fourth Proportional to 135,951.17, 187,591.82 and 75,516.26

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Solution

The fourth proportional to 135,951.17, 187,591.82 and 75,516.26 is: 104,200.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,951.17 : 187,591.82 = 75,516.26 : x
  2. Step 2: Convert to fraction form
    135,951.17/187,591.82 = 75,516.26/x
  3. Step 3: Cross multiply
    135,951.17x = 187,591.82 × 75,516.26
  4. Step 4: Simplify right side
    135,951.17x = 14,166,231,337.45
  5. Step 5: Solve for x
    x = 14,166,231,337.45/135,951.17
  6. Step 6: Final answer
    x = 104,200.88

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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.