Home / 104,257.25-156,414.68-30,385.25

Finding the Fourth Proportional to 104,257.25, 156,414.68 and 30,385.25

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Solution

The fourth proportional to 104,257.25, 156,414.68 and 30,385.25 is: 45,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,257.25 : 156,414.68 = 30,385.25 : x
  2. Step 2: Convert to fraction form
    104,257.25/156,414.68 = 30,385.25/x
  3. Step 3: Cross multiply
    104,257.25x = 156,414.68 × 30,385.25
  4. Step 4: Simplify right side
    104,257.25x = 4,752,699,003.54
  5. Step 5: Solve for x
    x = 4,752,699,003.54/104,257.25
  6. Step 6: Final answer
    x = 45,586.27

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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.