Home / 167,375.28-231,021.72-103,676.88

Finding the Fourth Proportional to 167,375.28, 231,021.72 and 103,676.88

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Solution

The fourth proportional to 167,375.28, 231,021.72 and 103,676.88 is: 143,101.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,375.28 : 231,021.72 = 103,676.88 : x
  2. Step 2: Convert to fraction form
    167,375.28/231,021.72 = 103,676.88/x
  3. Step 3: Cross multiply
    167,375.28x = 231,021.72 × 103,676.88
  4. Step 4: Simplify right side
    167,375.28x = 23,951,611,141.83
  5. Step 5: Solve for x
    x = 23,951,611,141.83/167,375.28
  6. Step 6: Final answer
    x = 143,101.25

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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.