Home / 383,246.08-574,842.38-143,314.36

Finding the Fourth Proportional to 383,246.08, 574,842.38 and 143,314.36

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Solution

The fourth proportional to 383,246.08, 574,842.38 and 143,314.36 is: 214,961.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,246.08 : 574,842.38 = 143,314.36 : x
  2. Step 2: Convert to fraction form
    383,246.08/574,842.38 = 143,314.36/x
  3. Step 3: Cross multiply
    383,246.08x = 574,842.38 × 143,314.36
  4. Step 4: Simplify right side
    383,246.08x = 82,383,167,790.58
  5. Step 5: Solve for x
    x = 82,383,167,790.58/383,246.08
  6. Step 6: Final answer
    x = 214,961.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.