Home / 167,919.46-231,734.58-91,439.87

Finding the Fourth Proportional to 167,919.46, 231,734.58 and 91,439.87

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Solution

The fourth proportional to 167,919.46, 231,734.58 and 91,439.87 is: 126,190.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,919.46 : 231,734.58 = 91,439.87 : x
  2. Step 2: Convert to fraction form
    167,919.46/231,734.58 = 91,439.87/x
  3. Step 3: Cross multiply
    167,919.46x = 231,734.58 × 91,439.87
  4. Step 4: Simplify right side
    167,919.46x = 21,189,778,711.03
  5. Step 5: Solve for x
    x = 21,189,778,711.03/167,919.46
  6. Step 6: Final answer
    x = 126,190.13

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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.