Home / 214,629.14-296,128.20-134,138.43

Finding the Fourth Proportional to 214,629.14, 296,128.20 and 134,138.43

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Solution

The fourth proportional to 214,629.14, 296,128.20 and 134,138.43 is: 185,073.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,629.14 : 296,128.20 = 134,138.43 : x
  2. Step 2: Convert to fraction form
    214,629.14/296,128.20 = 134,138.43/x
  3. Step 3: Cross multiply
    214,629.14x = 296,128.20 × 134,138.43
  4. Step 4: Simplify right side
    214,629.14x = 39,722,171,826.73
  5. Step 5: Solve for x
    x = 39,722,171,826.73/214,629.14
  6. Step 6: Final answer
    x = 185,073.53

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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.