Home / 300,540.19-414,745.46-164,582.45

Finding the Fourth Proportional to 300,540.19, 414,745.46 and 164,582.45

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Solution

The fourth proportional to 300,540.19, 414,745.46 and 164,582.45 is: 227,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,540.19 : 414,745.46 = 164,582.45 : x
  2. Step 2: Convert to fraction form
    300,540.19/414,745.46 = 164,582.45/x
  3. Step 3: Cross multiply
    300,540.19x = 414,745.46 × 164,582.45
  4. Step 4: Simplify right side
    300,540.19x = 68,259,823,933.18
  5. Step 5: Solve for x
    x = 68,259,823,933.18/300,540.19
  6. Step 6: Final answer
    x = 227,123.78

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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.