Home / 383,163.05-528,764.81-222,111.42

Finding the Fourth Proportional to 383,163.05, 528,764.81 and 222,111.42

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Solution

The fourth proportional to 383,163.05, 528,764.81 and 222,111.42 is: 306,513.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,163.05 : 528,764.81 = 222,111.42 : x
  2. Step 2: Convert to fraction form
    383,163.05/528,764.81 = 222,111.42/x
  3. Step 3: Cross multiply
    383,163.05x = 528,764.81 × 222,111.42
  4. Step 4: Simplify right side
    383,163.05x = 117,444,701,684.57
  5. Step 5: Solve for x
    x = 117,444,701,684.57/383,163.05
  6. Step 6: Final answer
    x = 306,513.65

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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.