Home / 196,198.80-270,836.61-132,622.71

Finding the Fourth Proportional to 196,198.80, 270,836.61 and 132,622.71

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Solution

The fourth proportional to 196,198.80, 270,836.61 and 132,622.71 is: 183,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,198.80 : 270,836.61 = 132,622.71 : x
  2. Step 2: Convert to fraction form
    196,198.80/270,836.61 = 132,622.71/x
  3. Step 3: Cross multiply
    196,198.80x = 270,836.61 × 132,622.71
  4. Step 4: Simplify right side
    196,198.80x = 35,919,085,185.41
  5. Step 5: Solve for x
    x = 35,919,085,185.41/196,198.80
  6. Step 6: Final answer
    x = 183,074.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.