Home / 132,440.40-198,543.96-62,404.56

Finding the Fourth Proportional to 132,440.40, 198,543.96 and 62,404.56

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Solution

The fourth proportional to 132,440.40, 198,543.96 and 62,404.56 is: 93,551.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,440.40 : 198,543.96 = 62,404.56 : x
  2. Step 2: Convert to fraction form
    132,440.40/198,543.96 = 62,404.56/x
  3. Step 3: Cross multiply
    132,440.40x = 198,543.96 × 62,404.56
  4. Step 4: Simplify right side
    132,440.40x = 12,390,048,464.46
  5. Step 5: Solve for x
    x = 12,390,048,464.46/132,440.40
  6. Step 6: Final answer
    x = 93,551.88

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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.