Home / 168,845.30-253,044.66-88,719.53

Finding the Fourth Proportional to 168,845.30, 253,044.66 and 88,719.53

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Solution

The fourth proportional to 168,845.30, 253,044.66 and 88,719.53 is: 132,961.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,845.30 : 253,044.66 = 88,719.53 : x
  2. Step 2: Convert to fraction form
    168,845.30/253,044.66 = 88,719.53/x
  3. Step 3: Cross multiply
    168,845.30x = 253,044.66 × 88,719.53
  4. Step 4: Simplify right side
    168,845.30x = 22,450,004,269.52
  5. Step 5: Solve for x
    x = 22,450,004,269.52/168,845.30
  6. Step 6: Final answer
    x = 132,961.98

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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.