Home / 167,132.25-230,642.55-91,680.75

Finding the Fourth Proportional to 167,132.25, 230,642.55 and 91,680.75

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Solution

The fourth proportional to 167,132.25, 230,642.55 and 91,680.75 is: 126,519.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,132.25 : 230,642.55 = 91,680.75 : x
  2. Step 2: Convert to fraction form
    167,132.25/230,642.55 = 91,680.75/x
  3. Step 3: Cross multiply
    167,132.25x = 230,642.55 × 91,680.75
  4. Step 4: Simplify right side
    167,132.25x = 21,145,481,965.91
  5. Step 5: Solve for x
    x = 21,145,481,965.91/167,132.25
  6. Step 6: Final answer
    x = 126,519.46

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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.