Home / 383,199.56-528,815.54-222,147.97

Finding the Fourth Proportional to 383,199.56, 528,815.54 and 222,147.97

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Solution

The fourth proportional to 383,199.56, 528,815.54 and 222,147.97 is: 306,564.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,199.56 : 528,815.54 = 222,147.97 : x
  2. Step 2: Convert to fraction form
    383,199.56/528,815.54 = 222,147.97/x
  3. Step 3: Cross multiply
    383,199.56x = 528,815.54 × 222,147.97
  4. Step 4: Simplify right side
    383,199.56x = 117,475,296,699.20
  5. Step 5: Solve for x
    x = 117,475,296,699.20/383,199.56
  6. Step 6: Final answer
    x = 306,564.28

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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.