Home / 167,811.64-231,584.33-91,334.88

Finding the Fourth Proportional to 167,811.64, 231,584.33 and 91,334.88

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Solution

The fourth proportional to 167,811.64, 231,584.33 and 91,334.88 is: 126,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,811.64 : 231,584.33 = 91,334.88 : x
  2. Step 2: Convert to fraction form
    167,811.64/231,584.33 = 91,334.88/x
  3. Step 3: Cross multiply
    167,811.64x = 231,584.33 × 91,334.88
  4. Step 4: Simplify right side
    167,811.64x = 21,151,726,990.43
  5. Step 5: Solve for x
    x = 21,151,726,990.43/167,811.64
  6. Step 6: Final answer
    x = 126,044.46

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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.