Home / 196,695.20-271,463.76-120,198.56

Finding the Fourth Proportional to 196,695.20, 271,463.76 and 120,198.56

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Solution

The fourth proportional to 196,695.20, 271,463.76 and 120,198.56 is: 165,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,695.20 : 271,463.76 = 120,198.56 : x
  2. Step 2: Convert to fraction form
    196,695.20/271,463.76 = 120,198.56/x
  3. Step 3: Cross multiply
    196,695.20x = 271,463.76 × 120,198.56
  4. Step 4: Simplify right side
    196,695.20x = 32,629,553,044.19
  5. Step 5: Solve for x
    x = 32,629,553,044.19/196,695.20
  6. Step 6: Final answer
    x = 165,888.91

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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.