Home / 167,975.20-231,806.09-91,494.06

Finding the Fourth Proportional to 167,975.20, 231,806.09 and 91,494.06

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Solution

The fourth proportional to 167,975.20, 231,806.09 and 91,494.06 is: 126,261.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,975.20 : 231,806.09 = 91,494.06 : x
  2. Step 2: Convert to fraction form
    167,975.20/231,806.09 = 91,494.06/x
  3. Step 3: Cross multiply
    167,975.20x = 231,806.09 × 91,494.06
  4. Step 4: Simplify right side
    167,975.20x = 21,208,880,306.83
  5. Step 5: Solve for x
    x = 21,208,880,306.83/167,975.20
  6. Step 6: Final answer
    x = 126,261.97

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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.