Home / 361,905.20-499,445.55-200,760.35

Finding the Fourth Proportional to 361,905.20, 499,445.55 and 200,760.35

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Solution

The fourth proportional to 361,905.20, 499,445.55 and 200,760.35 is: 277,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,905.20 : 499,445.55 = 200,760.35 : x
  2. Step 2: Convert to fraction form
    361,905.20/499,445.55 = 200,760.35/x
  3. Step 3: Cross multiply
    361,905.20x = 499,445.55 × 200,760.35
  4. Step 4: Simplify right side
    361,905.20x = 100,268,863,423.94
  5. Step 5: Solve for x
    x = 100,268,863,423.94/361,905.20
  6. Step 6: Final answer
    x = 277,058.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.