Home / 167,789.03-231,553.71-91,313.06

Finding the Fourth Proportional to 167,789.03, 231,553.71 and 91,313.06

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Solution

The fourth proportional to 167,789.03, 231,553.71 and 91,313.06 is: 126,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,789.03 : 231,553.71 = 91,313.06 : x
  2. Step 2: Convert to fraction form
    167,789.03/231,553.71 = 91,313.06/x
  3. Step 3: Cross multiply
    167,789.03x = 231,553.71 × 91,313.06
  4. Step 4: Simplify right side
    167,789.03x = 21,143,876,656.68
  5. Step 5: Solve for x
    x = 21,143,876,656.68/167,789.03
  6. Step 6: Final answer
    x = 126,014.66

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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.