Home / 132,380.59-182,687.06-71,951.21

Finding the Fourth Proportional to 132,380.59, 182,687.06 and 71,951.21

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Solution

The fourth proportional to 132,380.59, 182,687.06 and 71,951.21 is: 99,293.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,380.59 : 182,687.06 = 71,951.21 : x
  2. Step 2: Convert to fraction form
    132,380.59/182,687.06 = 71,951.21/x
  3. Step 3: Cross multiply
    132,380.59x = 182,687.06 × 71,951.21
  4. Step 4: Simplify right side
    132,380.59x = 13,144,555,475.06
  5. Step 5: Solve for x
    x = 13,144,555,475.06/132,380.59
  6. Step 6: Final answer
    x = 99,293.68

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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.