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Finding the Fourth Proportional to 196,267.39, 270,863 and 111,389.92

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Solution

The fourth proportional to 196,267.39, 270,863 and 111,389.92 is: 153,726.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,267.39 : 270,863 = 111,389.92 : x
  2. Step 2: Convert to fraction form
    196,267.39/270,863 = 111,389.92/x
  3. Step 3: Cross multiply
    196,267.39x = 270,863 × 111,389.92
  4. Step 4: Simplify right side
    196,267.39x = 30,171,407,900.96
  5. Step 5: Solve for x
    x = 30,171,407,900.96/196,267.39
  6. Step 6: Final answer
    x = 153,726.04

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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.