Home / 104,356.18-156,534.64-25,470.41

Finding the Fourth Proportional to 104,356.18, 156,534.64 and 25,470.41

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Solution

The fourth proportional to 104,356.18, 156,534.64 and 25,470.41 is: 38,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,356.18 : 156,534.64 = 25,470.41 : x
  2. Step 2: Convert to fraction form
    104,356.18/156,534.64 = 25,470.41/x
  3. Step 3: Cross multiply
    104,356.18x = 156,534.64 × 25,470.41
  4. Step 4: Simplify right side
    104,356.18x = 3,987,000,759.53
  5. Step 5: Solve for x
    x = 3,987,000,759.53/104,356.18
  6. Step 6: Final answer
    x = 38,205.70

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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.