Home / 132,487.32-182,791.26-75,122.12

Finding the Fourth Proportional to 132,487.32, 182,791.26 and 75,122.12

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Solution

The fourth proportional to 132,487.32, 182,791.26 and 75,122.12 is: 103,645.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,487.32 : 182,791.26 = 75,122.12 : x
  2. Step 2: Convert to fraction form
    132,487.32/182,791.26 = 75,122.12/x
  3. Step 3: Cross multiply
    132,487.32x = 182,791.26 × 75,122.12
  4. Step 4: Simplify right side
    132,487.32x = 13,731,667,432.70
  5. Step 5: Solve for x
    x = 13,731,667,432.70/132,487.32
  6. Step 6: Final answer
    x = 103,645.14

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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.