Home / 192,586.96-265,806.78-129,035.56

Finding the Fourth Proportional to 192,586.96, 265,806.78 and 129,035.56

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Solution

The fourth proportional to 192,586.96, 265,806.78 and 129,035.56 is: 178,093.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,586.96 : 265,806.78 = 129,035.56 : x
  2. Step 2: Convert to fraction form
    192,586.96/265,806.78 = 129,035.56/x
  3. Step 3: Cross multiply
    192,586.96x = 265,806.78 × 129,035.56
  4. Step 4: Simplify right side
    192,586.96x = 34,298,526,709.10
  5. Step 5: Solve for x
    x = 34,298,526,709.10/192,586.96
  6. Step 6: Final answer
    x = 178,093.71

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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.