Home / 196,517.48-271,117.14-120,934.76

Finding the Fourth Proportional to 196,517.48, 271,117.14 and 120,934.76

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Solution

The fourth proportional to 196,517.48, 271,117.14 and 120,934.76 is: 166,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,517.48 : 271,117.14 = 120,934.76 : x
  2. Step 2: Convert to fraction form
    196,517.48/271,117.14 = 120,934.76/x
  3. Step 3: Cross multiply
    196,517.48x = 271,117.14 × 120,934.76
  4. Step 4: Simplify right side
    196,517.48x = 32,787,486,257.79
  5. Step 5: Solve for x
    x = 32,787,486,257.79/196,517.48
  6. Step 6: Final answer
    x = 166,842.59

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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.