Home / 383,213.95-528,835.40-222,162.34

Finding the Fourth Proportional to 383,213.95, 528,835.40 and 222,162.34

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Solution

The fourth proportional to 383,213.95, 528,835.40 and 222,162.34 is: 306,584.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,213.95 : 528,835.40 = 222,162.34 : x
  2. Step 2: Convert to fraction form
    383,213.95/528,835.40 = 222,162.34/x
  3. Step 3: Cross multiply
    383,213.95x = 528,835.40 × 222,162.34
  4. Step 4: Simplify right side
    383,213.95x = 117,487,309,938.84
  5. Step 5: Solve for x
    x = 117,487,309,938.84/383,213.95
  6. Step 6: Final answer
    x = 306,584.12

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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.