Home / 204,143.87-306,196.01-61,990.38

Finding the Fourth Proportional to 204,143.87, 306,196.01 and 61,990.38

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Solution

The fourth proportional to 204,143.87, 306,196.01 and 61,990.38 is: 92,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,143.87 : 306,196.01 = 61,990.38 : x
  2. Step 2: Convert to fraction form
    204,143.87/306,196.01 = 61,990.38/x
  3. Step 3: Cross multiply
    204,143.87x = 306,196.01 × 61,990.38
  4. Step 4: Simplify right side
    204,143.87x = 18,981,206,704.43
  5. Step 5: Solve for x
    x = 18,981,206,704.43/204,143.87
  6. Step 6: Final answer
    x = 92,979.56

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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.