Home / 132,298.20-198,379.26-38,791.80

Finding the Fourth Proportional to 132,298.20, 198,379.26 and 38,791.80

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Solution

The fourth proportional to 132,298.20, 198,379.26 and 38,791.80 is: 58,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,298.20 : 198,379.26 = 38,791.80 : x
  2. Step 2: Convert to fraction form
    132,298.20/198,379.26 = 38,791.80/x
  3. Step 3: Cross multiply
    132,298.20x = 198,379.26 × 38,791.80
  4. Step 4: Simplify right side
    132,298.20x = 7,695,488,578.07
  5. Step 5: Solve for x
    x = 7,695,488,578.07/132,298.20
  6. Step 6: Final answer
    x = 58,167.75

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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.