Home / 118,207.38-163,125.39-67,220.13

Finding the Fourth Proportional to 118,207.38, 163,125.39 and 67,220.13

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Solution

The fourth proportional to 118,207.38, 163,125.39 and 67,220.13 is: 92,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,207.38 : 163,125.39 = 67,220.13 : x
  2. Step 2: Convert to fraction form
    118,207.38/163,125.39 = 67,220.13/x
  3. Step 3: Cross multiply
    118,207.38x = 163,125.39 × 67,220.13
  4. Step 4: Simplify right side
    118,207.38x = 10,965,309,922.10
  5. Step 5: Solve for x
    x = 10,965,309,922.10/118,207.38
  6. Step 6: Final answer
    x = 92,763.33

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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.