Home / 104,240.41-156,359.13-25,354.78

Finding the Fourth Proportional to 104,240.41, 156,359.13 and 25,354.78

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Solution

The fourth proportional to 104,240.41, 156,359.13 and 25,354.78 is: 38,031.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,240.41 : 156,359.13 = 25,354.78 : x
  2. Step 2: Convert to fraction form
    104,240.41/156,359.13 = 25,354.78/x
  3. Step 3: Cross multiply
    104,240.41x = 156,359.13 × 25,354.78
  4. Step 4: Simplify right side
    104,240.41x = 3,964,451,342.14
  5. Step 5: Solve for x
    x = 3,964,451,342.14/104,240.41
  6. Step 6: Final answer
    x = 38,031.81

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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.