Home / 396,375.05-594,541.34-140,189.87

Finding the Fourth Proportional to 396,375.05, 594,541.34 and 140,189.87

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Solution

The fourth proportional to 396,375.05, 594,541.34 and 140,189.87 is: 210,277.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,375.05 : 594,541.34 = 140,189.87 : x
  2. Step 2: Convert to fraction form
    396,375.05/594,541.34 = 140,189.87/x
  3. Step 3: Cross multiply
    396,375.05x = 594,541.34 × 140,189.87
  4. Step 4: Simplify right side
    396,375.05x = 83,348,673,164.23
  5. Step 5: Solve for x
    x = 83,348,673,164.23/396,375.05
  6. Step 6: Final answer
    x = 210,277.29

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1.5x scale

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.