Home / 167,377.10-230,979.68-90,895.66

Finding the Fourth Proportional to 167,377.10, 230,979.68 and 90,895.66

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Solution

The fourth proportional to 167,377.10, 230,979.68 and 90,895.66 is: 125,435.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,377.10 : 230,979.68 = 90,895.66 : x
  2. Step 2: Convert to fraction form
    167,377.10/230,979.68 = 90,895.66/x
  3. Step 3: Cross multiply
    167,377.10x = 230,979.68 × 90,895.66
  4. Step 4: Simplify right side
    167,377.10x = 20,995,050,687.43
  5. Step 5: Solve for x
    x = 20,995,050,687.43/167,377.10
  6. Step 6: Final answer
    x = 125,435.62

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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.