Home / 168,171.06-231,834.92-132,298.78

Finding the Fourth Proportional to 168,171.06, 231,834.92 and 132,298.78

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Solution

The fourth proportional to 168,171.06, 231,834.92 and 132,298.78 is: 182,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,171.06 : 231,834.92 = 132,298.78 : x
  2. Step 2: Convert to fraction form
    168,171.06/231,834.92 = 132,298.78/x
  3. Step 3: Cross multiply
    168,171.06x = 231,834.92 × 132,298.78
  4. Step 4: Simplify right side
    168,171.06x = 30,671,477,077.40
  5. Step 5: Solve for x
    x = 30,671,477,077.40/168,171.06
  6. Step 6: Final answer
    x = 182,382.61

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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.