Home / 129,511.39-194,217.87-61,974.10

Finding the Fourth Proportional to 129,511.39, 194,217.87 and 61,974.10

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Solution

The fourth proportional to 129,511.39, 194,217.87 and 61,974.10 is: 92,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,511.39 : 194,217.87 = 61,974.10 : x
  2. Step 2: Convert to fraction form
    129,511.39/194,217.87 = 61,974.10/x
  3. Step 3: Cross multiply
    129,511.39x = 194,217.87 × 61,974.10
  4. Step 4: Simplify right side
    129,511.39x = 12,036,476,726.08
  5. Step 5: Solve for x
    x = 12,036,476,726.08/129,511.39
  6. Step 6: Final answer
    x = 92,937.60

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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.