Home / 129,916.18-194,879.76-41,167.72

Finding the Fourth Proportional to 129,916.18, 194,879.76 and 41,167.72

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Solution

The fourth proportional to 129,916.18, 194,879.76 and 41,167.72 is: 61,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,916.18 : 194,879.76 = 41,167.72 : x
  2. Step 2: Convert to fraction form
    129,916.18/194,879.76 = 41,167.72/x
  3. Step 3: Cross multiply
    129,916.18x = 194,879.76 × 41,167.72
  4. Step 4: Simplify right side
    129,916.18x = 8,022,755,393.35
  5. Step 5: Solve for x
    x = 8,022,755,393.35/129,916.18
  6. Step 6: Final answer
    x = 61,753.32

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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.