Home / 271,204.10-406,405.20-196,481.60

Finding the Fourth Proportional to 271,204.10, 406,405.20 and 196,481.60

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Solution

The fourth proportional to 271,204.10, 406,405.20 and 196,481.60 is: 294,431.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,204.10 : 406,405.20 = 196,481.60 : x
  2. Step 2: Convert to fraction form
    271,204.10/406,405.20 = 196,481.60/x
  3. Step 3: Cross multiply
    271,204.10x = 406,405.20 × 196,481.60
  4. Step 4: Simplify right side
    271,204.10x = 79,851,143,944.32
  5. Step 5: Solve for x
    x = 79,851,143,944.32/271,204.10
  6. Step 6: Final answer
    x = 294,431.92

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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.