Home / 123,375.62-170,545.30-110,078.66

Finding the Fourth Proportional to 123,375.62, 170,545.30 and 110,078.66

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Solution

The fourth proportional to 123,375.62, 170,545.30 and 110,078.66 is: 152,164.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,375.62 : 170,545.30 = 110,078.66 : x
  2. Step 2: Convert to fraction form
    123,375.62/170,545.30 = 110,078.66/x
  3. Step 3: Cross multiply
    123,375.62x = 170,545.30 × 110,078.66
  4. Step 4: Simplify right side
    123,375.62x = 18,773,398,093.30
  5. Step 5: Solve for x
    x = 18,773,398,093.30/123,375.62
  6. Step 6: Final answer
    x = 152,164.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.