Home / 383,198.54-528,814.11-222,146.94

Finding the Fourth Proportional to 383,198.54, 528,814.11 and 222,146.94

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Solution

The fourth proportional to 383,198.54, 528,814.11 and 222,146.94 is: 306,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,198.54 : 528,814.11 = 222,146.94 : x
  2. Step 2: Convert to fraction form
    383,198.54/528,814.11 = 222,146.94/x
  3. Step 3: Cross multiply
    383,198.54x = 528,814.11 × 222,146.94
  4. Step 4: Simplify right side
    383,198.54x = 117,474,436,365.32
  5. Step 5: Solve for x
    x = 117,474,436,365.32/383,198.54
  6. Step 6: Final answer
    x = 306,562.85

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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.