Home / 167,377.68-230,979.06-91,921.32

Finding the Fourth Proportional to 167,377.68, 230,979.06 and 91,921.32

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Solution

The fourth proportional to 167,377.68, 230,979.06 and 91,921.32 is: 126,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,377.68 : 230,979.06 = 91,921.32 : x
  2. Step 2: Convert to fraction form
    167,377.68/230,979.06 = 91,921.32/x
  3. Step 3: Cross multiply
    167,377.68x = 230,979.06 × 91,921.32
  4. Step 4: Simplify right side
    167,377.68x = 21,231,900,087.56
  5. Step 5: Solve for x
    x = 21,231,900,087.56/167,377.68
  6. Step 6: Final answer
    x = 126,850.25

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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.