Home / 167,711.63-231,446.25-91,235.03

Finding the Fourth Proportional to 167,711.63, 231,446.25 and 91,235.03

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Solution

The fourth proportional to 167,711.63, 231,446.25 and 91,235.03 is: 125,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,711.63 : 231,446.25 = 91,235.03 : x
  2. Step 2: Convert to fraction form
    167,711.63/231,446.25 = 91,235.03/x
  3. Step 3: Cross multiply
    167,711.63x = 231,446.25 × 91,235.03
  4. Step 4: Simplify right side
    167,711.63x = 21,116,004,404.91
  5. Step 5: Solve for x
    x = 21,116,004,404.91/167,711.63
  6. Step 6: Final answer
    x = 125,906.62

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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.