Home / 185,876.14-278,819.67-45,634.75

Finding the Fourth Proportional to 185,876.14, 278,819.67 and 45,634.75

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Solution

The fourth proportional to 185,876.14, 278,819.67 and 45,634.75 is: 68,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,876.14 : 278,819.67 = 45,634.75 : x
  2. Step 2: Convert to fraction form
    185,876.14/278,819.67 = 45,634.75/x
  3. Step 3: Cross multiply
    185,876.14x = 278,819.67 × 45,634.75
  4. Step 4: Simplify right side
    185,876.14x = 12,723,865,935.53
  5. Step 5: Solve for x
    x = 12,723,865,935.53/185,876.14
  6. Step 6: Final answer
    x = 68,453.47

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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.