Home / 239,819.16-359,764.28-79,842.84

Finding the Fourth Proportional to 239,819.16, 359,764.28 and 79,842.84

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Solution

The fourth proportional to 239,819.16, 359,764.28 and 79,842.84 is: 119,776.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,819.16 : 359,764.28 = 79,842.84 : x
  2. Step 2: Convert to fraction form
    239,819.16/359,764.28 = 79,842.84/x
  3. Step 3: Cross multiply
    239,819.16x = 359,764.28 × 79,842.84
  4. Step 4: Simplify right side
    239,819.16x = 28,724,601,446.54
  5. Step 5: Solve for x
    x = 28,724,601,446.54/239,819.16
  6. Step 6: Final answer
    x = 119,776.09

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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.