Home / 196,377.79-271,004.99-109,171.09

Finding the Fourth Proportional to 196,377.79, 271,004.99 and 109,171.09

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Solution

The fourth proportional to 196,377.79, 271,004.99 and 109,171.09 is: 150,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,377.79 : 271,004.99 = 109,171.09 : x
  2. Step 2: Convert to fraction form
    196,377.79/271,004.99 = 109,171.09/x
  3. Step 3: Cross multiply
    196,377.79x = 271,004.99 × 109,171.09
  4. Step 4: Simplify right side
    196,377.79x = 29,585,910,560.73
  5. Step 5: Solve for x
    x = 29,585,910,560.73/196,377.79
  6. Step 6: Final answer
    x = 150,658.13

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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.