Home / 383,977.20-529,888.76-214,211.32

Finding the Fourth Proportional to 383,977.20, 529,888.76 and 214,211.32

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Solution

The fourth proportional to 383,977.20, 529,888.76 and 214,211.32 is: 295,611.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,977.20 : 529,888.76 = 214,211.32 : x
  2. Step 2: Convert to fraction form
    383,977.20/529,888.76 = 214,211.32/x
  3. Step 3: Cross multiply
    383,977.20x = 529,888.76 × 214,211.32
  4. Step 4: Simplify right side
    383,977.20x = 113,508,172,120.90
  5. Step 5: Solve for x
    x = 113,508,172,120.90/383,977.20
  6. Step 6: Final answer
    x = 295,611.75

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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.