Home / 167,795.92-231,559.36-91,315.62

Finding the Fourth Proportional to 167,795.92, 231,559.36 and 91,315.62

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Solution

The fourth proportional to 167,795.92, 231,559.36 and 91,315.62 is: 126,016.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,795.92 : 231,559.36 = 91,315.62 : x
  2. Step 2: Convert to fraction form
    167,795.92/231,559.36 = 91,315.62/x
  3. Step 3: Cross multiply
    167,795.92x = 231,559.36 × 91,315.62
  4. Step 4: Simplify right side
    167,795.92x = 21,144,986,296.91
  5. Step 5: Solve for x
    x = 21,144,986,296.91/167,795.92
  6. Step 6: Final answer
    x = 126,016.09

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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.