Home / 168,078.38-231,948.17-92,626.88

Finding the Fourth Proportional to 168,078.38, 231,948.17 and 92,626.88

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Solution

The fourth proportional to 168,078.38, 231,948.17 and 92,626.88 is: 127,825.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,078.38 : 231,948.17 = 92,626.88 : x
  2. Step 2: Convert to fraction form
    168,078.38/231,948.17 = 92,626.88/x
  3. Step 3: Cross multiply
    168,078.38x = 231,948.17 × 92,626.88
  4. Step 4: Simplify right side
    168,078.38x = 21,484,636,120.25
  5. Step 5: Solve for x
    x = 21,484,636,120.25/168,078.38
  6. Step 6: Final answer
    x = 127,825.10

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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.