Home / 331,119.20-456,930.99-187,876.16

Finding the Fourth Proportional to 331,119.20, 456,930.99 and 187,876.16

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Solution

The fourth proportional to 331,119.20, 456,930.99 and 187,876.16 is: 259,261.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,119.20 : 456,930.99 = 187,876.16 : x
  2. Step 2: Convert to fraction form
    331,119.20/456,930.99 = 187,876.16/x
  3. Step 3: Cross multiply
    331,119.20x = 456,930.99 × 187,876.16
  4. Step 4: Simplify right side
    331,119.20x = 85,846,439,786.20
  5. Step 5: Solve for x
    x = 85,846,439,786.20/331,119.20
  6. Step 6: Final answer
    x = 259,261.44

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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.