Home / 204,906.06-307,359.09-55,146.69

Finding the Fourth Proportional to 204,906.06, 307,359.09 and 55,146.69

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Solution

The fourth proportional to 204,906.06, 307,359.09 and 55,146.69 is: 82,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,906.06 : 307,359.09 = 55,146.69 : x
  2. Step 2: Convert to fraction form
    204,906.06/307,359.09 = 55,146.69/x
  3. Step 3: Cross multiply
    204,906.06x = 307,359.09 × 55,146.69
  4. Step 4: Simplify right side
    204,906.06x = 16,949,836,454.91
  5. Step 5: Solve for x
    x = 16,949,836,454.91/204,906.06
  6. Step 6: Final answer
    x = 82,720.04

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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.