Home / 104,265.20-156,398.04-25,379.28

Finding the Fourth Proportional to 104,265.20, 156,398.04 and 25,379.28

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Solution

The fourth proportional to 104,265.20, 156,398.04 and 25,379.28 is: 38,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,265.20 : 156,398.04 = 25,379.28 : x
  2. Step 2: Convert to fraction form
    104,265.20/156,398.04 = 25,379.28/x
  3. Step 3: Cross multiply
    104,265.20x = 156,398.04 × 25,379.28
  4. Step 4: Simplify right side
    104,265.20x = 3,969,269,648.61
  5. Step 5: Solve for x
    x = 3,969,269,648.61/104,265.20
  6. Step 6: Final answer
    x = 38,068.98

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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.