Home / 331,921.82-457,983.42-194,074.22

Finding the Fourth Proportional to 331,921.82, 457,983.42 and 194,074.22

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Solution

The fourth proportional to 331,921.82, 457,983.42 and 194,074.22 is: 267,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,921.82 : 457,983.42 = 194,074.22 : x
  2. Step 2: Convert to fraction form
    331,921.82/457,983.42 = 194,074.22/x
  3. Step 3: Cross multiply
    331,921.82x = 457,983.42 × 194,074.22
  4. Step 4: Simplify right side
    331,921.82x = 88,882,775,009.43
  5. Step 5: Solve for x
    x = 88,882,775,009.43/331,921.82
  6. Step 6: Final answer
    x = 267,782.26

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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.