Home / 330,201.13-455,651.76-194,240.20

Finding the Fourth Proportional to 330,201.13, 455,651.76 and 194,240.20

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Solution

The fourth proportional to 330,201.13, 455,651.76 and 194,240.20 is: 268,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,201.13 : 455,651.76 = 194,240.20 : x
  2. Step 2: Convert to fraction form
    330,201.13/455,651.76 = 194,240.20/x
  3. Step 3: Cross multiply
    330,201.13x = 455,651.76 × 194,240.20
  4. Step 4: Simplify right side
    330,201.13x = 88,505,888,992.75
  5. Step 5: Solve for x
    x = 88,505,888,992.75/330,201.13
  6. Step 6: Final answer
    x = 268,036.30

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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.