Home / 169,169.24-253,753.40-75,609.38

Finding the Fourth Proportional to 169,169.24, 253,753.40 and 75,609.38

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Solution

The fourth proportional to 169,169.24, 253,753.40 and 75,609.38 is: 113,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,169.24 : 253,753.40 = 75,609.38 : x
  2. Step 2: Convert to fraction form
    169,169.24/253,753.40 = 75,609.38/x
  3. Step 3: Cross multiply
    169,169.24x = 253,753.40 × 75,609.38
  4. Step 4: Simplify right side
    169,169.24x = 19,186,138,070.30
  5. Step 5: Solve for x
    x = 19,186,138,070.30/169,169.24
  6. Step 6: Final answer
    x = 113,413.87

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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.