Home / 454,820.80-682,231.20-155,274.70

Finding the Fourth Proportional to 454,820.80, 682,231.20 and 155,274.70

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Solution

The fourth proportional to 454,820.80, 682,231.20 and 155,274.70 is: 232,912.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,820.80 : 682,231.20 = 155,274.70 : x
  2. Step 2: Convert to fraction form
    454,820.80/682,231.20 = 155,274.70/x
  3. Step 3: Cross multiply
    454,820.80x = 682,231.20 × 155,274.70
  4. Step 4: Simplify right side
    454,820.80x = 105,933,244,910.64
  5. Step 5: Solve for x
    x = 105,933,244,910.64/454,820.80
  6. Step 6: Final answer
    x = 232,912.05

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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.