Home / 383,202.31-528,819.33-222,150.73

Finding the Fourth Proportional to 383,202.31, 528,819.33 and 222,150.73

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Solution

The fourth proportional to 383,202.31, 528,819.33 and 222,150.73 is: 306,568.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,202.31 : 528,819.33 = 222,150.73 : x
  2. Step 2: Convert to fraction form
    383,202.31/528,819.33 = 222,150.73/x
  3. Step 3: Cross multiply
    383,202.31x = 528,819.33 × 222,150.73
  4. Step 4: Simplify right side
    383,202.31x = 117,477,600,197.61
  5. Step 5: Solve for x
    x = 117,477,600,197.61/383,202.31
  6. Step 6: Final answer
    x = 306,568.09

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1.5x scale

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.