Home / 108,104.11-149,155.24-65,654.44

Finding the Fourth Proportional to 108,104.11, 149,155.24 and 65,654.44

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Solution

The fourth proportional to 108,104.11, 149,155.24 and 65,654.44 is: 90,585.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,104.11 : 149,155.24 = 65,654.44 : x
  2. Step 2: Convert to fraction form
    108,104.11/149,155.24 = 65,654.44/x
  3. Step 3: Cross multiply
    108,104.11x = 149,155.24 × 65,654.44
  4. Step 4: Simplify right side
    108,104.11x = 9,792,703,755.27
  5. Step 5: Solve for x
    x = 9,792,703,755.27/108,104.11
  6. Step 6: Final answer
    x = 90,585.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.