Home / 196,187.87-270,821.57-132,611.78

Finding the Fourth Proportional to 196,187.87, 270,821.57 and 132,611.78

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Solution

The fourth proportional to 196,187.87, 270,821.57 and 132,611.78 is: 183,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,187.87 : 270,821.57 = 132,611.78 : x
  2. Step 2: Convert to fraction form
    196,187.87/270,821.57 = 132,611.78/x
  3. Step 3: Cross multiply
    196,187.87x = 270,821.57 × 132,611.78
  4. Step 4: Simplify right side
    196,187.87x = 35,914,128,442.93
  5. Step 5: Solve for x
    x = 35,914,128,442.93/196,187.87
  6. Step 6: Final answer
    x = 183,059.89

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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.