Home / 330,199.13-455,649.00-194,238.20

Finding the Fourth Proportional to 330,199.13, 455,649.00 and 194,238.20

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Solution

The fourth proportional to 330,199.13, 455,649.00 and 194,238.20 is: 268,033.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,199.13 : 455,649.00 = 194,238.20 : x
  2. Step 2: Convert to fraction form
    330,199.13/455,649.00 = 194,238.20/x
  3. Step 3: Cross multiply
    330,199.13x = 455,649.00 × 194,238.20
  4. Step 4: Simplify right side
    330,199.13x = 88,504,442,002.53
  5. Step 5: Solve for x
    x = 88,504,442,002.53/330,199.13
  6. Step 6: Final answer
    x = 268,033.54

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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.