Home / 262,195.03-393,183.20-82,234.09

Finding the Fourth Proportional to 262,195.03, 393,183.20 and 82,234.09

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Solution

The fourth proportional to 262,195.03, 393,183.20 and 82,234.09 is: 123,316.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,195.03 : 393,183.20 = 82,234.09 : x
  2. Step 2: Convert to fraction form
    262,195.03/393,183.20 = 82,234.09/x
  3. Step 3: Cross multiply
    262,195.03x = 393,183.20 × 82,234.09
  4. Step 4: Simplify right side
    262,195.03x = 32,333,062,244.12
  5. Step 5: Solve for x
    x = 32,333,062,244.12/262,195.03
  6. Step 6: Final answer
    x = 123,316.84

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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.