Home / 396,037.94-593,743.43-143,279.06

Finding the Fourth Proportional to 396,037.94, 593,743.43 and 143,279.06

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Solution

The fourth proportional to 396,037.94, 593,743.43 and 143,279.06 is: 214,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,037.94 : 593,743.43 = 143,279.06 : x
  2. Step 2: Convert to fraction form
    396,037.94/593,743.43 = 143,279.06/x
  3. Step 3: Cross multiply
    396,037.94x = 593,743.43 × 143,279.06
  4. Step 4: Simplify right side
    396,037.94x = 85,070,997,921.06
  5. Step 5: Solve for x
    x = 85,070,997,921.06/396,037.94
  6. Step 6: Final answer
    x = 214,805.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.