Home / 259,982.72-389,974.20-93,770.72

Finding the Fourth Proportional to 259,982.72, 389,974.20 and 93,770.72

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Solution

The fourth proportional to 259,982.72, 389,974.20 and 93,770.72 is: 140,656.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,982.72 : 389,974.20 = 93,770.72 : x
  2. Step 2: Convert to fraction form
    259,982.72/389,974.20 = 93,770.72/x
  3. Step 3: Cross multiply
    259,982.72x = 389,974.20 × 93,770.72
  4. Step 4: Simplify right side
    259,982.72x = 36,568,161,515.42
  5. Step 5: Solve for x
    x = 36,568,161,515.42/259,982.72
  6. Step 6: Final answer
    x = 140,656.12

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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.