Home / 304,052.20-455,387.10-192,077.80

Finding the Fourth Proportional to 304,052.20, 455,387.10 and 192,077.80

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Solution

The fourth proportional to 304,052.20, 455,387.10 and 192,077.80 is: 287,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,052.20 : 455,387.10 = 192,077.80 : x
  2. Step 2: Convert to fraction form
    304,052.20/455,387.10 = 192,077.80/x
  3. Step 3: Cross multiply
    304,052.20x = 455,387.10 × 192,077.80
  4. Step 4: Simplify right side
    304,052.20x = 87,469,752,316.38
  5. Step 5: Solve for x
    x = 87,469,752,316.38/304,052.20
  6. Step 6: Final answer
    x = 287,680.05

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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.