Home / 196,515.48-271,114.38-120,932.76

Finding the Fourth Proportional to 196,515.48, 271,114.38 and 120,932.76

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Solution

The fourth proportional to 196,515.48, 271,114.38 and 120,932.76 is: 166,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,515.48 : 271,114.38 = 120,932.76 : x
  2. Step 2: Convert to fraction form
    196,515.48/271,114.38 = 120,932.76/x
  3. Step 3: Cross multiply
    196,515.48x = 271,114.38 × 120,932.76
  4. Step 4: Simplify right side
    196,515.48x = 32,786,610,249.09
  5. Step 5: Solve for x
    x = 32,786,610,249.09/196,515.48
  6. Step 6: Final answer
    x = 166,839.83

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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.