Home / 108,306.53-149,500.61-74,427.17

Finding the Fourth Proportional to 108,306.53, 149,500.61 and 74,427.17

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Solution

The fourth proportional to 108,306.53, 149,500.61 and 74,427.17 is: 102,735.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,306.53 : 149,500.61 = 74,427.17 : x
  2. Step 2: Convert to fraction form
    108,306.53/149,500.61 = 74,427.17/x
  3. Step 3: Cross multiply
    108,306.53x = 149,500.61 × 74,427.17
  4. Step 4: Simplify right side
    108,306.53x = 11,126,906,195.93
  5. Step 5: Solve for x
    x = 11,126,906,195.93/108,306.53
  6. Step 6: Final answer
    x = 102,735.33

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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.