Home / 271,372.10-374,060.92-213,917.78

Finding the Fourth Proportional to 271,372.10, 374,060.92 and 213,917.78

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Solution

The fourth proportional to 271,372.10, 374,060.92 and 213,917.78 is: 294,865.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,372.10 : 374,060.92 = 213,917.78 : x
  2. Step 2: Convert to fraction form
    271,372.10/374,060.92 = 213,917.78/x
  3. Step 3: Cross multiply
    271,372.10x = 374,060.92 × 213,917.78
  4. Step 4: Simplify right side
    271,372.10x = 80,018,281,591.16
  5. Step 5: Solve for x
    x = 80,018,281,591.16/271,372.10
  6. Step 6: Final answer
    x = 294,865.54

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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.