Home / 104,356.20-156,535.80-25,471.92

Finding the Fourth Proportional to 104,356.20, 156,535.80 and 25,471.92

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Solution

The fourth proportional to 104,356.20, 156,535.80 and 25,471.92 is: 38,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,356.20 : 156,535.80 = 25,471.92 : x
  2. Step 2: Convert to fraction form
    104,356.20/156,535.80 = 25,471.92/x
  3. Step 3: Cross multiply
    104,356.20x = 156,535.80 × 25,471.92
  4. Step 4: Simplify right side
    104,356.20x = 3,987,267,374.74
  5. Step 5: Solve for x
    x = 3,987,267,374.74/104,356.20
  6. Step 6: Final answer
    x = 38,208.25

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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.