Home / 167,856.62-231,634.89-91,375.83

Finding the Fourth Proportional to 167,856.62, 231,634.89 and 91,375.83

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Solution

The fourth proportional to 167,856.62, 231,634.89 and 91,375.83 is: 126,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,856.62 : 231,634.89 = 91,375.83 : x
  2. Step 2: Convert to fraction form
    167,856.62/231,634.89 = 91,375.83/x
  3. Step 3: Cross multiply
    167,856.62x = 231,634.89 × 91,375.83
  4. Step 4: Simplify right side
    167,856.62x = 21,165,830,330.71
  5. Step 5: Solve for x
    x = 21,165,830,330.71/167,856.62
  6. Step 6: Final answer
    x = 126,094.70

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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.