Home / 456,242.20-683,882.16-189,734.44

Finding the Fourth Proportional to 456,242.20, 683,882.16 and 189,734.44

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Solution

The fourth proportional to 456,242.20, 683,882.16 and 189,734.44 is: 284,401.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,242.20 : 683,882.16 = 189,734.44 : x
  2. Step 2: Convert to fraction form
    456,242.20/683,882.16 = 189,734.44/x
  3. Step 3: Cross multiply
    456,242.20x = 683,882.16 × 189,734.44
  4. Step 4: Simplify right side
    456,242.20x = 129,755,998,653.59
  5. Step 5: Solve for x
    x = 129,755,998,653.59/456,242.20
  6. Step 6: Final answer
    x = 284,401.57

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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.