Home / 129,743.10-194,578.20-41,023.80

Finding the Fourth Proportional to 129,743.10, 194,578.20 and 41,023.80

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Solution

The fourth proportional to 129,743.10, 194,578.20 and 41,023.80 is: 61,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,743.10 : 194,578.20 = 41,023.80 : x
  2. Step 2: Convert to fraction form
    129,743.10/194,578.20 = 41,023.80/x
  3. Step 3: Cross multiply
    129,743.10x = 194,578.20 × 41,023.80
  4. Step 4: Simplify right side
    129,743.10x = 7,982,337,161.16
  5. Step 5: Solve for x
    x = 7,982,337,161.16/129,743.10
  6. Step 6: Final answer
    x = 61,524.17

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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.