Home / 129,511.26-194,217.68-61,973.97

Finding the Fourth Proportional to 129,511.26, 194,217.68 and 61,973.97

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Solution

The fourth proportional to 129,511.26, 194,217.68 and 61,973.97 is: 92,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,511.26 : 194,217.68 = 61,973.97 : x
  2. Step 2: Convert to fraction form
    129,511.26/194,217.68 = 61,973.97/x
  3. Step 3: Cross multiply
    129,511.26x = 194,217.68 × 61,973.97
  4. Step 4: Simplify right side
    129,511.26x = 12,036,440,363.92
  5. Step 5: Solve for x
    x = 12,036,440,363.92/129,511.26
  6. Step 6: Final answer
    x = 92,937.40

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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.