Home / 167,640.93-231,339.87-92,189.43

Finding the Fourth Proportional to 167,640.93, 231,339.87 and 92,189.43

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Solution

The fourth proportional to 167,640.93, 231,339.87 and 92,189.43 is: 127,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,640.93 : 231,339.87 = 92,189.43 : x
  2. Step 2: Convert to fraction form
    167,640.93/231,339.87 = 92,189.43/x
  3. Step 3: Cross multiply
    167,640.93x = 231,339.87 × 92,189.43
  4. Step 4: Simplify right side
    167,640.93x = 21,327,090,751.57
  5. Step 5: Solve for x
    x = 21,327,090,751.57/167,640.93
  6. Step 6: Final answer
    x = 127,218.88

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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.