Home / 383,198.34-528,813.86-222,146.75

Finding the Fourth Proportional to 383,198.34, 528,813.86 and 222,146.75

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Solution

The fourth proportional to 383,198.34, 528,813.86 and 222,146.75 is: 306,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,198.34 : 528,813.86 = 222,146.75 : x
  2. Step 2: Convert to fraction form
    383,198.34/528,813.86 = 222,146.75/x
  3. Step 3: Cross multiply
    383,198.34x = 528,813.86 × 222,146.75
  4. Step 4: Simplify right side
    383,198.34x = 117,474,278,582.20
  5. Step 5: Solve for x
    x = 117,474,278,582.20/383,198.34
  6. Step 6: Final answer
    x = 306,562.60

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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.