Home / 204,815.20-307,222.80-195,629.80

Finding the Fourth Proportional to 204,815.20, 307,222.80 and 195,629.80

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Solution

The fourth proportional to 204,815.20, 307,222.80 and 195,629.80 is: 293,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,815.20 : 307,222.80 = 195,629.80 : x
  2. Step 2: Convert to fraction form
    204,815.20/307,222.80 = 195,629.80/x
  3. Step 3: Cross multiply
    204,815.20x = 307,222.80 × 195,629.80
  4. Step 4: Simplify right side
    204,815.20x = 60,101,934,919.44
  5. Step 5: Solve for x
    x = 60,101,934,919.44/204,815.20
  6. Step 6: Final answer
    x = 293,444.70

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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.