Home / 396,022.90-593,837.82-126,115.87

Finding the Fourth Proportional to 396,022.90, 593,837.82 and 126,115.87

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Solution

The fourth proportional to 396,022.90, 593,837.82 and 126,115.87 is: 189,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,022.90 : 593,837.82 = 126,115.87 : x
  2. Step 2: Convert to fraction form
    396,022.90/593,837.82 = 126,115.87/x
  3. Step 3: Cross multiply
    396,022.90x = 593,837.82 × 126,115.87
  4. Step 4: Simplify right side
    396,022.90x = 74,892,371,823.61
  5. Step 5: Solve for x
    x = 74,892,371,823.61/396,022.90
  6. Step 6: Final answer
    x = 189,111.22

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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.