Home / 168,716.54-253,023.68-88,711.40

Finding the Fourth Proportional to 168,716.54, 253,023.68 and 88,711.40

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Solution

The fourth proportional to 168,716.54, 253,023.68 and 88,711.40 is: 133,040.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,716.54 : 253,023.68 = 88,711.40 : x
  2. Step 2: Convert to fraction form
    168,716.54/253,023.68 = 88,711.40/x
  3. Step 3: Cross multiply
    168,716.54x = 253,023.68 × 88,711.40
  4. Step 4: Simplify right side
    168,716.54x = 22,446,083,177.28
  5. Step 5: Solve for x
    x = 22,446,083,177.28/168,716.54
  6. Step 6: Final answer
    x = 133,040.21

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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.