Home / 303,850.20-455,775.30-82,234.20

Finding the Fourth Proportional to 303,850.20, 455,775.30 and 82,234.20

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Solution

The fourth proportional to 303,850.20, 455,775.30 and 82,234.20 is: 123,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,850.20 : 455,775.30 = 82,234.20 : x
  2. Step 2: Convert to fraction form
    303,850.20/455,775.30 = 82,234.20/x
  3. Step 3: Cross multiply
    303,850.20x = 455,775.30 × 82,234.20
  4. Step 4: Simplify right side
    303,850.20x = 37,480,317,175.26
  5. Step 5: Solve for x
    x = 37,480,317,175.26/303,850.20
  6. Step 6: Final answer
    x = 123,351.30

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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.