Home / 129,744.25-194,648.77-36,249.19

Finding the Fourth Proportional to 129,744.25, 194,648.77 and 36,249.19

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Solution

The fourth proportional to 129,744.25, 194,648.77 and 36,249.19 is: 54,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,744.25 : 194,648.77 = 36,249.19 : x
  2. Step 2: Convert to fraction form
    129,744.25/194,648.77 = 36,249.19/x
  3. Step 3: Cross multiply
    129,744.25x = 194,648.77 × 36,249.19
  4. Step 4: Simplify right side
    129,744.25x = 7,055,859,805.69
  5. Step 5: Solve for x
    x = 7,055,859,805.69/129,744.25
  6. Step 6: Final answer
    x = 54,382.83

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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.