Home / 271,183.05-406,778.72-102,658.14

Finding the Fourth Proportional to 271,183.05, 406,778.72 and 102,658.14

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Solution

The fourth proportional to 271,183.05, 406,778.72 and 102,658.14 is: 153,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,183.05 : 406,778.72 = 102,658.14 : x
  2. Step 2: Convert to fraction form
    271,183.05/406,778.72 = 102,658.14/x
  3. Step 3: Cross multiply
    271,183.05x = 406,778.72 × 102,658.14
  4. Step 4: Simplify right side
    271,183.05x = 41,759,146,273.49
  5. Step 5: Solve for x
    x = 41,759,146,273.49/271,183.05
  6. Step 6: Final answer
    x = 153,988.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.