Home / 196,745.52-271,508.85-111,867.78

Finding the Fourth Proportional to 196,745.52, 271,508.85 and 111,867.78

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Solution

The fourth proportional to 196,745.52, 271,508.85 and 111,867.78 is: 154,377.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,745.52 : 271,508.85 = 111,867.78 : x
  2. Step 2: Convert to fraction form
    196,745.52/271,508.85 = 111,867.78/x
  3. Step 3: Cross multiply
    196,745.52x = 271,508.85 × 111,867.78
  4. Step 4: Simplify right side
    196,745.52x = 30,373,092,299.85
  5. Step 5: Solve for x
    x = 30,373,092,299.85/196,745.52
  6. Step 6: Final answer
    x = 154,377.55

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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.