Home / 167,843.22-251,939.79-74,414.58

Finding the Fourth Proportional to 167,843.22, 251,939.79 and 74,414.58

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Solution

The fourth proportional to 167,843.22, 251,939.79 and 74,414.58 is: 111,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,843.22 : 251,939.79 = 74,414.58 : x
  2. Step 2: Convert to fraction form
    167,843.22/251,939.79 = 74,414.58/x
  3. Step 3: Cross multiply
    167,843.22x = 251,939.79 × 74,414.58
  4. Step 4: Simplify right side
    167,843.22x = 18,747,993,658.14
  5. Step 5: Solve for x
    x = 18,747,993,658.14/167,843.22
  6. Step 6: Final answer
    x = 111,699.44

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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.