Home / 383,148.22-528,744.45-222,096.73

Finding the Fourth Proportional to 383,148.22, 528,744.45 and 222,096.73

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Solution

The fourth proportional to 383,148.22, 528,744.45 and 222,096.73 is: 306,493.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,148.22 : 528,744.45 = 222,096.73 : x
  2. Step 2: Convert to fraction form
    383,148.22/528,744.45 = 222,096.73/x
  3. Step 3: Cross multiply
    383,148.22x = 528,744.45 × 222,096.73
  4. Step 4: Simplify right side
    383,148.22x = 117,432,413,350.65
  5. Step 5: Solve for x
    x = 117,432,413,350.65/383,148.22
  6. Step 6: Final answer
    x = 306,493.43

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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.