Home / 218,569.62-327,945.21-104,660.13

Finding the Fourth Proportional to 218,569.62, 327,945.21 and 104,660.13

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Solution

The fourth proportional to 218,569.62, 327,945.21 and 104,660.13 is: 157,033.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,569.62 : 327,945.21 = 104,660.13 : x
  2. Step 2: Convert to fraction form
    218,569.62/327,945.21 = 104,660.13/x
  3. Step 3: Cross multiply
    218,569.62x = 327,945.21 × 104,660.13
  4. Step 4: Simplify right side
    218,569.62x = 34,322,789,148.80
  5. Step 5: Solve for x
    x = 34,322,789,148.80/218,569.62
  6. Step 6: Final answer
    x = 157,033.67

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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.