Home / 303,180.89-455,086.75-223,309.04

Finding the Fourth Proportional to 303,180.89, 455,086.75 and 223,309.04

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Solution

The fourth proportional to 303,180.89, 455,086.75 and 223,309.04 is: 335,195.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,180.89 : 455,086.75 = 223,309.04 : x
  2. Step 2: Convert to fraction form
    303,180.89/455,086.75 = 223,309.04/x
  3. Step 3: Cross multiply
    303,180.89x = 455,086.75 × 223,309.04
  4. Step 4: Simplify right side
    303,180.89x = 101,624,982,983.79
  5. Step 5: Solve for x
    x = 101,624,982,983.79/303,180.89
  6. Step 6: Final answer
    x = 335,195.88

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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.