Home / 204,906.30-307,359.46-55,146.92

Finding the Fourth Proportional to 204,906.30, 307,359.46 and 55,146.92

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Solution

The fourth proportional to 204,906.30, 307,359.46 and 55,146.92 is: 82,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,906.30 : 307,359.46 = 55,146.92 : x
  2. Step 2: Convert to fraction form
    204,906.30/307,359.46 = 55,146.92/x
  3. Step 3: Cross multiply
    204,906.30x = 307,359.46 × 55,146.92
  4. Step 4: Simplify right side
    204,906.30x = 16,949,927,551.86
  5. Step 5: Solve for x
    x = 16,949,927,551.86/204,906.30
  6. Step 6: Final answer
    x = 82,720.38

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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.