Home / 104,266.40-156,398.08-25,380.80

Finding the Fourth Proportional to 104,266.40, 156,398.08 and 25,380.80

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Solution

The fourth proportional to 104,266.40, 156,398.08 and 25,380.80 is: 38,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,266.40 : 156,398.08 = 25,380.80 : x
  2. Step 2: Convert to fraction form
    104,266.40/156,398.08 = 25,380.80/x
  3. Step 3: Cross multiply
    104,266.40x = 156,398.08 × 25,380.80
  4. Step 4: Simplify right side
    104,266.40x = 3,969,508,388.86
  5. Step 5: Solve for x
    x = 3,969,508,388.86/104,266.40
  6. Step 6: Final answer
    x = 38,070.83

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1.5x scale

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.