Home / 193,010.96-289,417.68-80,660.54

Finding the Fourth Proportional to 193,010.96, 289,417.68 and 80,660.54

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Solution

The fourth proportional to 193,010.96, 289,417.68 and 80,660.54 is: 120,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,010.96 : 289,417.68 = 80,660.54 : x
  2. Step 2: Convert to fraction form
    193,010.96/289,417.68 = 80,660.54/x
  3. Step 3: Cross multiply
    193,010.96x = 289,417.68 × 80,660.54
  4. Step 4: Simplify right side
    193,010.96x = 23,344,586,354.35
  5. Step 5: Solve for x
    x = 23,344,586,354.35/193,010.96
  6. Step 6: Final answer
    x = 120,949.54

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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.