Home / 331,179.35-457,029.69-187,941.79

Finding the Fourth Proportional to 331,179.35, 457,029.69 and 187,941.79

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Solution

The fourth proportional to 331,179.35, 457,029.69 and 187,941.79 is: 259,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,179.35 : 457,029.69 = 187,941.79 : x
  2. Step 2: Convert to fraction form
    331,179.35/457,029.69 = 187,941.79/x
  3. Step 3: Cross multiply
    331,179.35x = 457,029.69 × 187,941.79
  4. Step 4: Simplify right side
    331,179.35x = 85,894,975,736.60
  5. Step 5: Solve for x
    x = 85,894,975,736.60/331,179.35
  6. Step 6: Final answer
    x = 259,360.90

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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.