Home / 118,229.25-163,160.28-64,517.22

Finding the Fourth Proportional to 118,229.25, 163,160.28 and 64,517.22

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Solution

The fourth proportional to 118,229.25, 163,160.28 and 64,517.22 is: 89,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,229.25 : 163,160.28 = 64,517.22 : x
  2. Step 2: Convert to fraction form
    118,229.25/163,160.28 = 64,517.22/x
  3. Step 3: Cross multiply
    118,229.25x = 163,160.28 × 64,517.22
  4. Step 4: Simplify right side
    118,229.25x = 10,526,647,680.02
  5. Step 5: Solve for x
    x = 10,526,647,680.02/118,229.25
  6. Step 6: Final answer
    x = 89,035.90

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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.