Home / 167,640.13-231,336.34-95,047.91

Finding the Fourth Proportional to 167,640.13, 231,336.34 and 95,047.91

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Solution

The fourth proportional to 167,640.13, 231,336.34 and 95,047.91 is: 131,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,640.13 : 231,336.34 = 95,047.91 : x
  2. Step 2: Convert to fraction form
    167,640.13/231,336.34 = 95,047.91/x
  3. Step 3: Cross multiply
    167,640.13x = 231,336.34 × 95,047.91
  4. Step 4: Simplify right side
    167,640.13x = 21,988,034,229.75
  5. Step 5: Solve for x
    x = 21,988,034,229.75/167,640.13
  6. Step 6: Final answer
    x = 131,162.12

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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.