Home / 177,844.70-266,961.45-111,359.90

Finding the Fourth Proportional to 177,844.70, 266,961.45 and 111,359.90

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Solution

The fourth proportional to 177,844.70, 266,961.45 and 111,359.90 is: 167,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,844.70 : 266,961.45 = 111,359.90 : x
  2. Step 2: Convert to fraction form
    177,844.70/266,961.45 = 111,359.90/x
  3. Step 3: Cross multiply
    177,844.70x = 266,961.45 × 111,359.90
  4. Step 4: Simplify right side
    177,844.70x = 29,728,800,375.86
  5. Step 5: Solve for x
    x = 29,728,800,375.86/177,844.70
  6. Step 6: Final answer
    x = 167,161.58

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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.