Home / 112,023.10-168,034.65-84,375.10

Finding the Fourth Proportional to 112,023.10, 168,034.65 and 84,375.10

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Solution

The fourth proportional to 112,023.10, 168,034.65 and 84,375.10 is: 126,562.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,023.10 : 168,034.65 = 84,375.10 : x
  2. Step 2: Convert to fraction form
    112,023.10/168,034.65 = 84,375.10/x
  3. Step 3: Cross multiply
    112,023.10x = 168,034.65 × 84,375.10
  4. Step 4: Simplify right side
    112,023.10x = 14,177,940,397.22
  5. Step 5: Solve for x
    x = 14,177,940,397.22/112,023.10
  6. Step 6: Final answer
    x = 126,562.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.