Home / 132,531.98-198,791.48-49,419.50

Finding the Fourth Proportional to 132,531.98, 198,791.48 and 49,419.50

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Solution

The fourth proportional to 132,531.98, 198,791.48 and 49,419.50 is: 74,126.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,531.98 : 198,791.48 = 49,419.50 : x
  2. Step 2: Convert to fraction form
    132,531.98/198,791.48 = 49,419.50/x
  3. Step 3: Cross multiply
    132,531.98x = 198,791.48 × 49,419.50
  4. Step 4: Simplify right side
    132,531.98x = 9,824,175,545.86
  5. Step 5: Solve for x
    x = 9,824,175,545.86/132,531.98
  6. Step 6: Final answer
    x = 74,126.83

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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.