Home / 204,924.80-307,387.20-203,612.60

Finding the Fourth Proportional to 204,924.80, 307,387.20 and 203,612.60

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Solution

The fourth proportional to 204,924.80, 307,387.20 and 203,612.60 is: 305,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,924.80 : 307,387.20 = 203,612.60 : x
  2. Step 2: Convert to fraction form
    204,924.80/307,387.20 = 203,612.60/x
  3. Step 3: Cross multiply
    204,924.80x = 307,387.20 × 203,612.60
  4. Step 4: Simplify right side
    204,924.80x = 62,587,906,998.72
  5. Step 5: Solve for x
    x = 62,587,906,998.72/204,924.80
  6. Step 6: Final answer
    x = 305,418.90

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1.5x scale

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.