Home / 192,493.50-288,740.25-80,226.60

Finding the Fourth Proportional to 192,493.50, 288,740.25 and 80,226.60

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Solution

The fourth proportional to 192,493.50, 288,740.25 and 80,226.60 is: 120,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,493.50 : 288,740.25 = 80,226.60 : x
  2. Step 2: Convert to fraction form
    192,493.50/288,740.25 = 80,226.60/x
  3. Step 3: Cross multiply
    192,493.50x = 288,740.25 × 80,226.60
  4. Step 4: Simplify right side
    192,493.50x = 23,164,648,540.65
  5. Step 5: Solve for x
    x = 23,164,648,540.65/192,493.50
  6. Step 6: Final answer
    x = 120,339.90

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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.