Home / 327,556.05-491,084.37-102,786.84

Finding the Fourth Proportional to 327,556.05, 491,084.37 and 102,786.84

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Solution

The fourth proportional to 327,556.05, 491,084.37 and 102,786.84 is: 154,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,556.05 : 491,084.37 = 102,786.84 : x
  2. Step 2: Convert to fraction form
    327,556.05/491,084.37 = 102,786.84/x
  3. Step 3: Cross multiply
    327,556.05x = 491,084.37 × 102,786.84
  4. Step 4: Simplify right side
    327,556.05x = 50,477,010,565.69
  5. Step 5: Solve for x
    x = 50,477,010,565.69/327,556.05
  6. Step 6: Final answer
    x = 154,101.90

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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.