Home / 129,821.94-194,743.85-41,073.48

Finding the Fourth Proportional to 129,821.94, 194,743.85 and 41,073.48

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Solution

The fourth proportional to 129,821.94, 194,743.85 and 41,073.48 is: 61,613.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,821.94 : 194,743.85 = 41,073.48 : x
  2. Step 2: Convert to fraction form
    129,821.94/194,743.85 = 41,073.48/x
  3. Step 3: Cross multiply
    129,821.94x = 194,743.85 × 41,073.48
  4. Step 4: Simplify right side
    129,821.94x = 7,998,807,422.73
  5. Step 5: Solve for x
    x = 7,998,807,422.73/129,821.94
  6. Step 6: Final answer
    x = 61,613.68

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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.