Home / 481,619.19-721,924.41-161,692.54

Finding the Fourth Proportional to 481,619.19, 721,924.41 and 161,692.54

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Solution

The fourth proportional to 481,619.19, 721,924.41 and 161,692.54 is: 242,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,619.19 : 721,924.41 = 161,692.54 : x
  2. Step 2: Convert to fraction form
    481,619.19/721,924.41 = 161,692.54/x
  3. Step 3: Cross multiply
    481,619.19x = 721,924.41 × 161,692.54
  4. Step 4: Simplify right side
    481,619.19x = 116,729,790,342.44
  5. Step 5: Solve for x
    x = 116,729,790,342.44/481,619.19
  6. Step 6: Final answer
    x = 242,369.47

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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.