Home / 167,769.90-231,446.19-99,748.26

Finding the Fourth Proportional to 167,769.90, 231,446.19 and 99,748.26

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Solution

The fourth proportional to 167,769.90, 231,446.19 and 99,748.26 is: 137,607.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,769.90 : 231,446.19 = 99,748.26 : x
  2. Step 2: Convert to fraction form
    167,769.90/231,446.19 = 99,748.26/x
  3. Step 3: Cross multiply
    167,769.90x = 231,446.19 × 99,748.26
  4. Step 4: Simplify right side
    167,769.90x = 23,086,354,736.13
  5. Step 5: Solve for x
    x = 23,086,354,736.13/167,769.90
  6. Step 6: Final answer
    x = 137,607.25

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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.