Home / 104,278.66-156,414.94-25,391.74

Finding the Fourth Proportional to 104,278.66, 156,414.94 and 25,391.74

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Solution

The fourth proportional to 104,278.66, 156,414.94 and 25,391.74 is: 38,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,278.66 : 156,414.94 = 25,391.74 : x
  2. Step 2: Convert to fraction form
    104,278.66/156,414.94 = 25,391.74/x
  3. Step 3: Cross multiply
    104,278.66x = 156,414.94 × 25,391.74
  4. Step 4: Simplify right side
    104,278.66x = 3,971,647,488.60
  5. Step 5: Solve for x
    x = 3,971,647,488.60/104,278.66
  6. Step 6: Final answer
    x = 38,086.87

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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.