Home / 167,200.20-230,739.94-91,748.84

Finding the Fourth Proportional to 167,200.20, 230,739.94 and 91,748.84

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Solution

The fourth proportional to 167,200.20, 230,739.94 and 91,748.84 is: 126,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,200.20 : 230,739.94 = 91,748.84 : x
  2. Step 2: Convert to fraction form
    167,200.20/230,739.94 = 91,748.84/x
  3. Step 3: Cross multiply
    167,200.20x = 230,739.94 × 91,748.84
  4. Step 4: Simplify right side
    167,200.20x = 21,170,121,836.67
  5. Step 5: Solve for x
    x = 21,170,121,836.67/167,200.20
  6. Step 6: Final answer
    x = 126,615.41

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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.