Home / 264,608.21-365,160.82-143,749.78

Finding the Fourth Proportional to 264,608.21, 365,160.82 and 143,749.78

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Solution

The fourth proportional to 264,608.21, 365,160.82 and 143,749.78 is: 198,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,608.21 : 365,160.82 = 143,749.78 : x
  2. Step 2: Convert to fraction form
    264,608.21/365,160.82 = 143,749.78/x
  3. Step 3: Cross multiply
    264,608.21x = 365,160.82 × 143,749.78
  4. Step 4: Simplify right side
    264,608.21x = 52,491,787,159.59
  5. Step 5: Solve for x
    x = 52,491,787,159.59/264,608.21
  6. Step 6: Final answer
    x = 198,375.50

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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.