Home / 239,819.82-359,765.25-79,843.50

Finding the Fourth Proportional to 239,819.82, 359,765.25 and 79,843.50

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Solution

The fourth proportional to 239,819.82, 359,765.25 and 79,843.50 is: 119,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,819.82 : 359,765.25 = 79,843.50 : x
  2. Step 2: Convert to fraction form
    239,819.82/359,765.25 = 79,843.50/x
  3. Step 3: Cross multiply
    239,819.82x = 359,765.25 × 79,843.50
  4. Step 4: Simplify right side
    239,819.82x = 28,724,916,738.38
  5. Step 5: Solve for x
    x = 28,724,916,738.38/239,819.82
  6. Step 6: Final answer
    x = 119,777.08

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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.