Home / 196,959.08-271,799.82-120,472.55

Finding the Fourth Proportional to 196,959.08, 271,799.82 and 120,472.55

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Solution

The fourth proportional to 196,959.08, 271,799.82 and 120,472.55 is: 166,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,959.08 : 271,799.82 = 120,472.55 : x
  2. Step 2: Convert to fraction form
    196,959.08/271,799.82 = 120,472.55/x
  3. Step 3: Cross multiply
    196,959.08x = 271,799.82 × 120,472.55
  4. Step 4: Simplify right side
    196,959.08x = 32,744,417,404.94
  5. Step 5: Solve for x
    x = 32,744,417,404.94/196,959.08
  6. Step 6: Final answer
    x = 166,249.85

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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.