Home / 167,892.13-231,720.11-107,459.65

Finding the Fourth Proportional to 167,892.13, 231,720.11 and 107,459.65

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Solution

The fourth proportional to 167,892.13, 231,720.11 and 107,459.65 is: 148,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,892.13 : 231,720.11 = 107,459.65 : x
  2. Step 2: Convert to fraction form
    167,892.13/231,720.11 = 107,459.65/x
  3. Step 3: Cross multiply
    167,892.13x = 231,720.11 × 107,459.65
  4. Step 4: Simplify right side
    167,892.13x = 24,900,561,918.56
  5. Step 5: Solve for x
    x = 24,900,561,918.56/167,892.13
  6. Step 6: Final answer
    x = 148,312.86

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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.