Home / 204,936.42-307,369.86-55,143.33

Finding the Fourth Proportional to 204,936.42, 307,369.86 and 55,143.33

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Solution

The fourth proportional to 204,936.42, 307,369.86 and 55,143.33 is: 82,705.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,936.42 : 307,369.86 = 55,143.33 : x
  2. Step 2: Convert to fraction form
    204,936.42/307,369.86 = 55,143.33/x
  3. Step 3: Cross multiply
    204,936.42x = 307,369.86 × 55,143.33
  4. Step 4: Simplify right side
    204,936.42x = 16,949,396,511.76
  5. Step 5: Solve for x
    x = 16,949,396,511.76/204,936.42
  6. Step 6: Final answer
    x = 82,705.63

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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.