Home / 192,197.43-265,217.18-111,611.70

Finding the Fourth Proportional to 192,197.43, 265,217.18 and 111,611.70

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Solution

The fourth proportional to 192,197.43, 265,217.18 and 111,611.70 is: 154,015.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,197.43 : 265,217.18 = 111,611.70 : x
  2. Step 2: Convert to fraction form
    192,197.43/265,217.18 = 111,611.70/x
  3. Step 3: Cross multiply
    192,197.43x = 265,217.18 × 111,611.70
  4. Step 4: Simplify right side
    192,197.43x = 29,601,339,770.95
  5. Step 5: Solve for x
    x = 29,601,339,770.95/192,197.43
  6. Step 6: Final answer
    x = 154,015.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.