Home / 167,629.86-251,610.06-123,131.70

Finding the Fourth Proportional to 167,629.86, 251,610.06 and 123,131.70

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Solution

The fourth proportional to 167,629.86, 251,610.06 and 123,131.70 is: 184,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,629.86 : 251,610.06 = 123,131.70 : x
  2. Step 2: Convert to fraction form
    167,629.86/251,610.06 = 123,131.70/x
  3. Step 3: Cross multiply
    167,629.86x = 251,610.06 × 123,131.70
  4. Step 4: Simplify right side
    167,629.86x = 30,981,174,424.90
  5. Step 5: Solve for x
    x = 30,981,174,424.90/167,629.86
  6. Step 6: Final answer
    x = 184,818.95

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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.