Home / 330,764.15-495,520.19-195,423.48

Finding the Fourth Proportional to 330,764.15, 495,520.19 and 195,423.48

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Solution

The fourth proportional to 330,764.15, 495,520.19 and 195,423.48 is: 292,765.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,764.15 : 495,520.19 = 195,423.48 : x
  2. Step 2: Convert to fraction form
    330,764.15/495,520.19 = 195,423.48/x
  3. Step 3: Cross multiply
    330,764.15x = 495,520.19 × 195,423.48
  4. Step 4: Simplify right side
    330,764.15x = 96,836,279,695.78
  5. Step 5: Solve for x
    x = 96,836,279,695.78/330,764.15
  6. Step 6: Final answer
    x = 292,765.34

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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.