Home / 322,786.11-445,438.28-179,543.07

Finding the Fourth Proportional to 322,786.11, 445,438.28 and 179,543.07

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Solution

The fourth proportional to 322,786.11, 445,438.28 and 179,543.07 is: 247,765.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,786.11 : 445,438.28 = 179,543.07 : x
  2. Step 2: Convert to fraction form
    322,786.11/445,438.28 = 179,543.07/x
  3. Step 3: Cross multiply
    322,786.11x = 445,438.28 × 179,543.07
  4. Step 4: Simplify right side
    322,786.11x = 79,975,355,389.00
  5. Step 5: Solve for x
    x = 79,975,355,389.00/322,786.11
  6. Step 6: Final answer
    x = 247,765.79

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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.