Home / 263,458.13-395,187.49-123,315.17

Finding the Fourth Proportional to 263,458.13, 395,187.49 and 123,315.17

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Solution

The fourth proportional to 263,458.13, 395,187.49 and 123,315.17 is: 184,972.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,458.13 : 395,187.49 = 123,315.17 : x
  2. Step 2: Convert to fraction form
    263,458.13/395,187.49 = 123,315.17/x
  3. Step 3: Cross multiply
    263,458.13x = 395,187.49 × 123,315.17
  4. Step 4: Simplify right side
    263,458.13x = 48,732,612,882.62
  5. Step 5: Solve for x
    x = 48,732,612,882.62/263,458.13
  6. Step 6: Final answer
    x = 184,972.89

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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.