Home / 193,540.28-290,310.08-126,964.56

Finding the Fourth Proportional to 193,540.28, 290,310.08 and 126,964.56

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Solution

The fourth proportional to 193,540.28, 290,310.08 and 126,964.56 is: 190,446.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,540.28 : 290,310.08 = 126,964.56 : x
  2. Step 2: Convert to fraction form
    193,540.28/290,310.08 = 126,964.56/x
  3. Step 3: Cross multiply
    193,540.28x = 290,310.08 × 126,964.56
  4. Step 4: Simplify right side
    193,540.28x = 36,859,091,570.76
  5. Step 5: Solve for x
    x = 36,859,091,570.76/193,540.28
  6. Step 6: Final answer
    x = 190,446.62

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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.