Home / 196,863.12-271,618.92-111,966.48

Finding the Fourth Proportional to 196,863.12, 271,618.92 and 111,966.48

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Solution

The fourth proportional to 196,863.12, 271,618.92 and 111,966.48 is: 154,484.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,863.12 : 271,618.92 = 111,966.48 : x
  2. Step 2: Convert to fraction form
    196,863.12/271,618.92 = 111,966.48/x
  3. Step 3: Cross multiply
    196,863.12x = 271,618.92 × 111,966.48
  4. Step 4: Simplify right side
    196,863.12x = 30,412,214,373.80
  5. Step 5: Solve for x
    x = 30,412,214,373.80/196,863.12
  6. Step 6: Final answer
    x = 154,484.06

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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.