Home / 192,771.08-289,155.70-128,593.56

Finding the Fourth Proportional to 192,771.08, 289,155.70 and 128,593.56

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Solution

The fourth proportional to 192,771.08, 289,155.70 and 128,593.56 is: 192,889.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,771.08 : 289,155.70 = 128,593.56 : x
  2. Step 2: Convert to fraction form
    192,771.08/289,155.70 = 128,593.56/x
  3. Step 3: Cross multiply
    192,771.08x = 289,155.70 × 128,593.56
  4. Step 4: Simplify right side
    192,771.08x = 37,183,560,857.29
  5. Step 5: Solve for x
    x = 37,183,560,857.29/192,771.08
  6. Step 6: Final answer
    x = 192,889.73

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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.