Home / 168,115.50-231,999.39-92,665.62

Finding the Fourth Proportional to 168,115.50, 231,999.39 and 92,665.62

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Solution

The fourth proportional to 168,115.50, 231,999.39 and 92,665.62 is: 127,878.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,115.50 : 231,999.39 = 92,665.62 : x
  2. Step 2: Convert to fraction form
    168,115.50/231,999.39 = 92,665.62/x
  3. Step 3: Cross multiply
    168,115.50x = 231,999.39 × 92,665.62
  4. Step 4: Simplify right side
    168,115.50x = 21,498,367,313.97
  5. Step 5: Solve for x
    x = 21,498,367,313.97/168,115.50
  6. Step 6: Final answer
    x = 127,878.56

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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.