Home / 193,550.75-290,367.60-67,195

Finding the Fourth Proportional to 193,550.75, 290,367.60 and 67,195

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Solution

The fourth proportional to 193,550.75, 290,367.60 and 67,195 is: 100,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,550.75 : 290,367.60 = 67,195 : x
  2. Step 2: Convert to fraction form
    193,550.75/290,367.60 = 67,195/x
  3. Step 3: Cross multiply
    193,550.75x = 290,367.60 × 67,195
  4. Step 4: Simplify right side
    193,550.75x = 19,511,250,882
  5. Step 5: Solve for x
    x = 19,511,250,882/193,550.75
  6. Step 6: Final answer
    x = 100,806.90

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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.