Home / 167,687.83-231,454.70-98,837.43

Finding the Fourth Proportional to 167,687.83, 231,454.70 and 98,837.43

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Solution

The fourth proportional to 167,687.83, 231,454.70 and 98,837.43 is: 136,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,687.83 : 231,454.70 = 98,837.43 : x
  2. Step 2: Convert to fraction form
    167,687.83/231,454.70 = 98,837.43/x
  3. Step 3: Cross multiply
    167,687.83x = 231,454.70 × 98,837.43
  4. Step 4: Simplify right side
    167,687.83x = 22,876,387,709.42
  5. Step 5: Solve for x
    x = 22,876,387,709.42/167,687.83
  6. Step 6: Final answer
    x = 136,422.47

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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.