Home / 383,933.16-529,842.20-214,200.09

Finding the Fourth Proportional to 383,933.16, 529,842.20 and 214,200.09

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Solution

The fourth proportional to 383,933.16, 529,842.20 and 214,200.09 is: 295,604.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,933.16 : 529,842.20 = 214,200.09 : x
  2. Step 2: Convert to fraction form
    383,933.16/529,842.20 = 214,200.09/x
  3. Step 3: Cross multiply
    383,933.16x = 529,842.20 × 214,200.09
  4. Step 4: Simplify right side
    383,933.16x = 113,492,245,854.80
  5. Step 5: Solve for x
    x = 113,492,245,854.80/383,933.16
  6. Step 6: Final answer
    x = 295,604.18

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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.