Home / 168,829.20-253,112.46-84,546.06

Finding the Fourth Proportional to 168,829.20, 253,112.46 and 84,546.06

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Solution

The fourth proportional to 168,829.20, 253,112.46 and 84,546.06 is: 126,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,829.20 : 253,112.46 = 84,546.06 : x
  2. Step 2: Convert to fraction form
    168,829.20/253,112.46 = 84,546.06/x
  3. Step 3: Cross multiply
    168,829.20x = 253,112.46 × 84,546.06
  4. Step 4: Simplify right side
    168,829.20x = 21,399,661,229.91
  5. Step 5: Solve for x
    x = 21,399,661,229.91/168,829.20
  6. Step 6: Final answer
    x = 126,753.32

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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.