Home / 185,694.77-278,560.61-67,375.33

Finding the Fourth Proportional to 185,694.77, 278,560.61 and 67,375.33

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Solution

The fourth proportional to 185,694.77, 278,560.61 and 67,375.33 is: 101,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,694.77 : 278,560.61 = 67,375.33 : x
  2. Step 2: Convert to fraction form
    185,694.77/278,560.61 = 67,375.33/x
  3. Step 3: Cross multiply
    185,694.77x = 278,560.61 × 67,375.33
  4. Step 4: Simplify right side
    185,694.77x = 18,768,113,323.56
  5. Step 5: Solve for x
    x = 18,768,113,323.56/185,694.77
  6. Step 6: Final answer
    x = 101,069.70

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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.