Home / 104,427.17-156,640.76-25,540.46

Finding the Fourth Proportional to 104,427.17, 156,640.76 and 25,540.46

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Solution

The fourth proportional to 104,427.17, 156,640.76 and 25,540.46 is: 38,310.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427.17 : 156,640.76 = 25,540.46 : x
  2. Step 2: Convert to fraction form
    104,427.17/156,640.76 = 25,540.46/x
  3. Step 3: Cross multiply
    104,427.17x = 156,640.76 × 25,540.46
  4. Step 4: Simplify right side
    104,427.17x = 4,000,677,065.15
  5. Step 5: Solve for x
    x = 4,000,677,065.15/104,427.17
  6. Step 6: Final answer
    x = 38,310.69

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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.