Home / 215,110.38-296,840.77-124,467.82

Finding the Fourth Proportional to 215,110.38, 296,840.77 and 124,467.82

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Solution

The fourth proportional to 215,110.38, 296,840.77 and 124,467.82 is: 171,758.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,110.38 : 296,840.77 = 124,467.82 : x
  2. Step 2: Convert to fraction form
    215,110.38/296,840.77 = 124,467.82/x
  3. Step 3: Cross multiply
    215,110.38x = 296,840.77 × 124,467.82
  4. Step 4: Simplify right side
    215,110.38x = 36,947,123,529.02
  5. Step 5: Solve for x
    x = 36,947,123,529.02/215,110.38
  6. Step 6: Final answer
    x = 171,758.91

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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.