Home / 327,087.20-490,663.20-113,822.30

Finding the Fourth Proportional to 327,087.20, 490,663.20 and 113,822.30

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Solution

The fourth proportional to 327,087.20, 490,663.20 and 113,822.30 is: 170,744.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,087.20 : 490,663.20 = 113,822.30 : x
  2. Step 2: Convert to fraction form
    327,087.20/490,663.20 = 113,822.30/x
  3. Step 3: Cross multiply
    327,087.20x = 490,663.20 × 113,822.30
  4. Step 4: Simplify right side
    327,087.20x = 55,848,413,949.36
  5. Step 5: Solve for x
    x = 55,848,413,949.36/327,087.20
  6. Step 6: Final answer
    x = 170,744.72

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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.