Home / 383,213.54-528,834.81-222,161.94

Finding the Fourth Proportional to 383,213.54, 528,834.81 and 222,161.94

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Solution

The fourth proportional to 383,213.54, 528,834.81 and 222,161.94 is: 306,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,213.54 : 528,834.81 = 222,161.94 : x
  2. Step 2: Convert to fraction form
    383,213.54/528,834.81 = 222,161.94/x
  3. Step 3: Cross multiply
    383,213.54x = 528,834.81 × 222,161.94
  4. Step 4: Simplify right side
    383,213.54x = 117,486,967,329.13
  5. Step 5: Solve for x
    x = 117,486,967,329.13/383,213.54
  6. Step 6: Final answer
    x = 306,583.55

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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.