Home / 167,922.40-231,729.58-91,442.43

Finding the Fourth Proportional to 167,922.40, 231,729.58 and 91,442.43

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Solution

The fourth proportional to 167,922.40, 231,729.58 and 91,442.43 is: 126,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,922.40 : 231,729.58 = 91,442.43 : x
  2. Step 2: Convert to fraction form
    167,922.40/231,729.58 = 91,442.43/x
  3. Step 3: Cross multiply
    167,922.40x = 231,729.58 × 91,442.43
  4. Step 4: Simplify right side
    167,922.40x = 21,189,915,898.08
  5. Step 5: Solve for x
    x = 21,189,915,898.08/167,922.40
  6. Step 6: Final answer
    x = 126,188.74

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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.