Home / 327,218.20-490,859.70-113,953.30

Finding the Fourth Proportional to 327,218.20, 490,859.70 and 113,953.30

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Solution

The fourth proportional to 327,218.20, 490,859.70 and 113,953.30 is: 170,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,218.20 : 490,859.70 = 113,953.30 : x
  2. Step 2: Convert to fraction form
    327,218.20/490,859.70 = 113,953.30/x
  3. Step 3: Cross multiply
    327,218.20x = 490,859.70 × 113,953.30
  4. Step 4: Simplify right side
    327,218.20x = 55,935,082,652.01
  5. Step 5: Solve for x
    x = 55,935,082,652.01/327,218.20
  6. Step 6: Final answer
    x = 170,941.23

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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.