Home / 132,591.57-182,972.86-72,160.93

Finding the Fourth Proportional to 132,591.57, 182,972.86 and 72,160.93

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Solution

The fourth proportional to 132,591.57, 182,972.86 and 72,160.93 is: 99,580.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,591.57 : 182,972.86 = 72,160.93 : x
  2. Step 2: Convert to fraction form
    132,591.57/182,972.86 = 72,160.93/x
  3. Step 3: Cross multiply
    132,591.57x = 182,972.86 × 72,160.93
  4. Step 4: Simplify right side
    132,591.57x = 13,203,490,761.45
  5. Step 5: Solve for x
    x = 13,203,490,761.45/132,591.57
  6. Step 6: Final answer
    x = 99,580.17

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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.