Home / 118,204.38-163,121.25-67,217.13

Finding the Fourth Proportional to 118,204.38, 163,121.25 and 67,217.13

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Solution

The fourth proportional to 118,204.38, 163,121.25 and 67,217.13 is: 92,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,204.38 : 163,121.25 = 67,217.13 : x
  2. Step 2: Convert to fraction form
    118,204.38/163,121.25 = 67,217.13/x
  3. Step 3: Cross multiply
    118,204.38x = 163,121.25 × 67,217.13
  4. Step 4: Simplify right side
    118,204.38x = 10,964,542,267.01
  5. Step 5: Solve for x
    x = 10,964,542,267.01/118,204.38
  6. Step 6: Final answer
    x = 92,759.19

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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.