Home / 263,821.12-395,861.60-123,555.52

Finding the Fourth Proportional to 263,821.12, 395,861.60 and 123,555.52

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Solution

The fourth proportional to 263,821.12, 395,861.60 and 123,555.52 is: 185,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,821.12 : 395,861.60 = 123,555.52 : x
  2. Step 2: Convert to fraction form
    263,821.12/395,861.60 = 123,555.52/x
  3. Step 3: Cross multiply
    263,821.12x = 395,861.60 × 123,555.52
  4. Step 4: Simplify right side
    263,821.12x = 48,910,885,836.03
  5. Step 5: Solve for x
    x = 48,910,885,836.03/263,821.12
  6. Step 6: Final answer
    x = 185,394.13

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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.