Home / 215,077.38-296,721.54-124,416.54

Finding the Fourth Proportional to 215,077.38, 296,721.54 and 124,416.54

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Solution

The fourth proportional to 215,077.38, 296,721.54 and 124,416.54 is: 171,645.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,077.38 : 296,721.54 = 124,416.54 : x
  2. Step 2: Convert to fraction form
    215,077.38/296,721.54 = 124,416.54/x
  3. Step 3: Cross multiply
    215,077.38x = 296,721.54 × 124,416.54
  4. Step 4: Simplify right side
    215,077.38x = 36,917,067,350.27
  5. Step 5: Solve for x
    x = 36,917,067,350.27/215,077.38
  6. Step 6: Final answer
    x = 171,645.51

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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.