Home / 327,122.20-490,715.70-113,857.30

Finding the Fourth Proportional to 327,122.20, 490,715.70 and 113,857.30

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Solution

The fourth proportional to 327,122.20, 490,715.70 and 113,857.30 is: 170,797.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,122.20 : 490,715.70 = 113,857.30 : x
  2. Step 2: Convert to fraction form
    327,122.20/490,715.70 = 113,857.30/x
  3. Step 3: Cross multiply
    327,122.20x = 490,715.70 × 113,857.30
  4. Step 4: Simplify right side
    327,122.20x = 55,871,564,669.61
  5. Step 5: Solve for x
    x = 55,871,564,669.61/327,122.20
  6. Step 6: Final answer
    x = 170,797.23

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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.