Home / 118,229.23-163,160.25-64,517.18

Finding the Fourth Proportional to 118,229.23, 163,160.25 and 64,517.18

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Solution

The fourth proportional to 118,229.23, 163,160.25 and 64,517.18 is: 89,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,229.23 : 163,160.25 = 64,517.18 : x
  2. Step 2: Convert to fraction form
    118,229.23/163,160.25 = 64,517.18/x
  3. Step 3: Cross multiply
    118,229.23x = 163,160.25 × 64,517.18
  4. Step 4: Simplify right side
    118,229.23x = 10,526,639,218.10
  5. Step 5: Solve for x
    x = 10,526,639,218.10/118,229.23
  6. Step 6: Final answer
    x = 89,035.85

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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.