Home / 204,288.38-306,432.62-54,529.24

Finding the Fourth Proportional to 204,288.38, 306,432.62 and 54,529.24

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Solution

The fourth proportional to 204,288.38, 306,432.62 and 54,529.24 is: 81,793.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,288.38 : 306,432.62 = 54,529.24 : x
  2. Step 2: Convert to fraction form
    204,288.38/306,432.62 = 54,529.24/x
  3. Step 3: Cross multiply
    204,288.38x = 306,432.62 × 54,529.24
  4. Step 4: Simplify right side
    204,288.38x = 16,709,537,879.81
  5. Step 5: Solve for x
    x = 16,709,537,879.81/204,288.38
  6. Step 6: Final answer
    x = 81,793.87

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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.