Home / 331,286.14-457,182.39-188,032.78

Finding the Fourth Proportional to 331,286.14, 457,182.39 and 188,032.78

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Solution

The fourth proportional to 331,286.14, 457,182.39 and 188,032.78 is: 259,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,286.14 : 457,182.39 = 188,032.78 : x
  2. Step 2: Convert to fraction form
    331,286.14/457,182.39 = 188,032.78/x
  3. Step 3: Cross multiply
    331,286.14x = 457,182.39 × 188,032.78
  4. Step 4: Simplify right side
    331,286.14x = 85,965,275,758.74
  5. Step 5: Solve for x
    x = 85,965,275,758.74/331,286.14
  6. Step 6: Final answer
    x = 259,489.50

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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.