Home / 204,358.75-306,666.61-108,382.25

Finding the Fourth Proportional to 204,358.75, 306,666.61 and 108,382.25

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Solution

The fourth proportional to 204,358.75, 306,666.61 and 108,382.25 is: 162,641.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,358.75 : 306,666.61 = 108,382.25 : x
  2. Step 2: Convert to fraction form
    204,358.75/306,666.61 = 108,382.25/x
  3. Step 3: Cross multiply
    204,358.75x = 306,666.61 × 108,382.25
  4. Step 4: Simplify right side
    204,358.75x = 33,237,217,687.38
  5. Step 5: Solve for x
    x = 33,237,217,687.38/204,358.75
  6. Step 6: Final answer
    x = 162,641.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.