Home / 128,786.96-192,914.52-95,544.56

Finding the Fourth Proportional to 128,786.96, 192,914.52 and 95,544.56

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Solution

The fourth proportional to 128,786.96, 192,914.52 and 95,544.56 is: 143,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,786.96 : 192,914.52 = 95,544.56 : x
  2. Step 2: Convert to fraction form
    128,786.96/192,914.52 = 95,544.56/x
  3. Step 3: Cross multiply
    128,786.96x = 192,914.52 × 95,544.56
  4. Step 4: Simplify right side
    128,786.96x = 18,431,932,931.01
  5. Step 5: Solve for x
    x = 18,431,932,931.01/128,786.96
  6. Step 6: Final answer
    x = 143,119.56

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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.