Home / 167,208.21-230,735.97-91,761.57

Finding the Fourth Proportional to 167,208.21, 230,735.97 and 91,761.57

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Solution

The fourth proportional to 167,208.21, 230,735.97 and 91,761.57 is: 126,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,208.21 : 230,735.97 = 91,761.57 : x
  2. Step 2: Convert to fraction form
    167,208.21/230,735.97 = 91,761.57/x
  3. Step 3: Cross multiply
    167,208.21x = 230,735.97 × 91,761.57
  4. Step 4: Simplify right side
    167,208.21x = 21,172,694,862.67
  5. Step 5: Solve for x
    x = 21,172,694,862.67/167,208.21
  6. Step 6: Final answer
    x = 126,624.73

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1.5x scale

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.