Home / 141,956.10-195,897.90-78,292.53

Finding the Fourth Proportional to 141,956.10, 195,897.90 and 78,292.53

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Solution

The fourth proportional to 141,956.10, 195,897.90 and 78,292.53 is: 108,042.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,956.10 : 195,897.90 = 78,292.53 : x
  2. Step 2: Convert to fraction form
    141,956.10/195,897.90 = 78,292.53/x
  3. Step 3: Cross multiply
    141,956.10x = 195,897.90 × 78,292.53
  4. Step 4: Simplify right side
    141,956.10x = 15,337,342,212.69
  5. Step 5: Solve for x
    x = 15,337,342,212.69/141,956.10
  6. Step 6: Final answer
    x = 108,042.85

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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.