Home / 167,399.56-231,015.38-91,949.64

Finding the Fourth Proportional to 167,399.56, 231,015.38 and 91,949.64

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Solution

The fourth proportional to 167,399.56, 231,015.38 and 91,949.64 is: 126,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,399.56 : 231,015.38 = 91,949.64 : x
  2. Step 2: Convert to fraction form
    167,399.56/231,015.38 = 91,949.64/x
  3. Step 3: Cross multiply
    167,399.56x = 231,015.38 × 91,949.64
  4. Step 4: Simplify right side
    167,399.56x = 21,241,781,025.46
  5. Step 5: Solve for x
    x = 21,241,781,025.46/167,399.56
  6. Step 6: Final answer
    x = 126,892.69

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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.