Home / 330,200.13-455,650.38-194,239.20

Finding the Fourth Proportional to 330,200.13, 455,650.38 and 194,239.20

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Solution

The fourth proportional to 330,200.13, 455,650.38 and 194,239.20 is: 268,034.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,200.13 : 455,650.38 = 194,239.20 : x
  2. Step 2: Convert to fraction form
    330,200.13/455,650.38 = 194,239.20/x
  3. Step 3: Cross multiply
    330,200.13x = 455,650.38 × 194,239.20
  4. Step 4: Simplify right side
    330,200.13x = 88,505,165,290.90
  5. Step 5: Solve for x
    x = 88,505,165,290.90/330,200.13
  6. Step 6: Final answer
    x = 268,034.92

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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.