Home / 204,904.31-307,356.46-55,144.93

Finding the Fourth Proportional to 204,904.31, 307,356.46 and 55,144.93

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Solution

The fourth proportional to 204,904.31, 307,356.46 and 55,144.93 is: 82,717.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,904.31 : 307,356.46 = 55,144.93 : x
  2. Step 2: Convert to fraction form
    204,904.31/307,356.46 = 55,144.93/x
  3. Step 3: Cross multiply
    204,904.31x = 307,356.46 × 55,144.93
  4. Step 4: Simplify right side
    204,904.31x = 16,949,150,471.75
  5. Step 5: Solve for x
    x = 16,949,150,471.75/204,904.31
  6. Step 6: Final answer
    x = 82,717.39

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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.