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Finding the Fourth Proportional to 196,266.39, 270,861.62 and 111,388.92

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Solution

The fourth proportional to 196,266.39, 270,861.62 and 111,388.92 is: 153,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,266.39 : 270,861.62 = 111,388.92 : x
  2. Step 2: Convert to fraction form
    196,266.39/270,861.62 = 111,388.92/x
  3. Step 3: Cross multiply
    196,266.39x = 270,861.62 × 111,388.92
  4. Step 4: Simplify right side
    196,266.39x = 30,170,982,764.31
  5. Step 5: Solve for x
    x = 30,170,982,764.31/196,266.39
  6. Step 6: Final answer
    x = 153,724.65

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1.5x scale

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.