Home / 664,105.20-996,050.88-190,682.88

Finding the Fourth Proportional to 664,105.20, 996,050.88 and 190,682.88

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Solution

The fourth proportional to 664,105.20, 996,050.88 and 190,682.88 is: 285,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,105.20 : 996,050.88 = 190,682.88 : x
  2. Step 2: Convert to fraction form
    664,105.20/996,050.88 = 190,682.88/x
  3. Step 3: Cross multiply
    664,105.20x = 996,050.88 × 190,682.88
  4. Step 4: Simplify right side
    664,105.20x = 189,929,850,424.93
  5. Step 5: Solve for x
    x = 189,929,850,424.93/664,105.20
  6. Step 6: Final answer
    x = 285,993.62

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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.