Home / 383,199.03-528,814.80-222,147.44

Finding the Fourth Proportional to 383,199.03, 528,814.80 and 222,147.44

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Solution

The fourth proportional to 383,199.03, 528,814.80 and 222,147.44 is: 306,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,199.03 : 528,814.80 = 222,147.44 : x
  2. Step 2: Convert to fraction form
    383,199.03/528,814.80 = 222,147.44/x
  3. Step 3: Cross multiply
    383,199.03x = 528,814.80 × 222,147.44
  4. Step 4: Simplify right side
    383,199.03x = 117,474,854,054.11
  5. Step 5: Solve for x
    x = 117,474,854,054.11/383,199.03
  6. Step 6: Final answer
    x = 306,563.55

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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.