Home / 168,105.60-231,998.40-96,508.80

Finding the Fourth Proportional to 168,105.60, 231,998.40 and 96,508.80

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Solution

The fourth proportional to 168,105.60, 231,998.40 and 96,508.80 is: 133,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,105.60 : 231,998.40 = 96,508.80 : x
  2. Step 2: Convert to fraction form
    168,105.60/231,998.40 = 96,508.80/x
  3. Step 3: Cross multiply
    168,105.60x = 231,998.40 × 96,508.80
  4. Step 4: Simplify right side
    168,105.60x = 22,389,887,185.92
  5. Step 5: Solve for x
    x = 22,389,887,185.92/168,105.60
  6. Step 6: Final answer
    x = 133,189.42

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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.