Home / 129,916.34-194,879.99-41,167.88

Finding the Fourth Proportional to 129,916.34, 194,879.99 and 41,167.88

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Solution

The fourth proportional to 129,916.34, 194,879.99 and 41,167.88 is: 61,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,916.34 : 194,879.99 = 41,167.88 : x
  2. Step 2: Convert to fraction form
    129,916.34/194,879.99 = 41,167.88/x
  3. Step 3: Cross multiply
    129,916.34x = 194,879.99 × 41,167.88
  4. Step 4: Simplify right side
    129,916.34x = 8,022,795,902.04
  5. Step 5: Solve for x
    x = 8,022,795,902.04/129,916.34
  6. Step 6: Final answer
    x = 61,753.56

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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.