Home / 168,062.27-252,132.28-74,575.31

Finding the Fourth Proportional to 168,062.27, 252,132.28 and 74,575.31

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Solution

The fourth proportional to 168,062.27, 252,132.28 and 74,575.31 is: 111,880.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,062.27 : 252,132.28 = 74,575.31 : x
  2. Step 2: Convert to fraction form
    168,062.27/252,132.28 = 74,575.31/x
  3. Step 3: Cross multiply
    168,062.27x = 252,132.28 × 74,575.31
  4. Step 4: Simplify right side
    168,062.27x = 18,802,841,494.91
  5. Step 5: Solve for x
    x = 18,802,841,494.91/168,062.27
  6. Step 6: Final answer
    x = 111,880.21

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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.