Home / 414,711.45-621,696.73-161,933.13

Finding the Fourth Proportional to 414,711.45, 621,696.73 and 161,933.13

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Solution

The fourth proportional to 414,711.45, 621,696.73 and 161,933.13 is: 242,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,711.45 : 621,696.73 = 161,933.13 : x
  2. Step 2: Convert to fraction form
    414,711.45/621,696.73 = 161,933.13/x
  3. Step 3: Cross multiply
    414,711.45x = 621,696.73 × 161,933.13
  4. Step 4: Simplify right side
    414,711.45x = 100,673,293,481.52
  5. Step 5: Solve for x
    x = 100,673,293,481.52/414,711.45
  6. Step 6: Final answer
    x = 242,755.04

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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.