Home / 141,562.26-195,355.17-77,898.42

Finding the Fourth Proportional to 141,562.26, 195,355.17 and 77,898.42

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Solution

The fourth proportional to 141,562.26, 195,355.17 and 77,898.42 is: 107,499.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,562.26 : 195,355.17 = 77,898.42 : x
  2. Step 2: Convert to fraction form
    141,562.26/195,355.17 = 77,898.42/x
  3. Step 3: Cross multiply
    141,562.26x = 195,355.17 × 77,898.42
  4. Step 4: Simplify right side
    141,562.26x = 15,217,859,081.83
  5. Step 5: Solve for x
    x = 15,217,859,081.83/141,562.26
  6. Step 6: Final answer
    x = 107,499.41

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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.