Home / 168,081.38-231,952.34-91,600.50

Finding the Fourth Proportional to 168,081.38, 231,952.34 and 91,600.50

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Solution

The fourth proportional to 168,081.38, 231,952.34 and 91,600.50 is: 126,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,081.38 : 231,952.34 = 91,600.50 : x
  2. Step 2: Convert to fraction form
    168,081.38/231,952.34 = 91,600.50/x
  3. Step 3: Cross multiply
    168,081.38x = 231,952.34 × 91,600.50
  4. Step 4: Simplify right side
    168,081.38x = 21,246,949,160.41
  5. Step 5: Solve for x
    x = 21,246,949,160.41/168,081.38
  6. Step 6: Final answer
    x = 126,408.70

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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.