Home / 297,811.20-445,939.20-192,057.60

Finding the Fourth Proportional to 297,811.20, 445,939.20 and 192,057.60

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Solution

The fourth proportional to 297,811.20, 445,939.20 and 192,057.60 is: 287,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,811.20 : 445,939.20 = 192,057.60 : x
  2. Step 2: Convert to fraction form
    297,811.20/445,939.20 = 192,057.60/x
  3. Step 3: Cross multiply
    297,811.20x = 445,939.20 × 192,057.60
  4. Step 4: Simplify right side
    297,811.20x = 85,646,012,497.92
  5. Step 5: Solve for x
    x = 85,646,012,497.92/297,811.20
  6. Step 6: Final answer
    x = 287,584.93

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1.5x scale

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.