Home / 441,964.20-663,176.70-192,671.40

Finding the Fourth Proportional to 441,964.20, 663,176.70 and 192,671.40

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Solution

The fourth proportional to 441,964.20, 663,176.70 and 192,671.40 is: 289,107.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,964.20 : 663,176.70 = 192,671.40 : x
  2. Step 2: Convert to fraction form
    441,964.20/663,176.70 = 192,671.40/x
  3. Step 3: Cross multiply
    441,964.20x = 663,176.70 × 192,671.40
  4. Step 4: Simplify right side
    441,964.20x = 127,775,183,236.38
  5. Step 5: Solve for x
    x = 127,775,183,236.38/441,964.20
  6. Step 6: Final answer
    x = 289,107.54

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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.