Home / 220,905.72-331,369.52-63,157.44

Finding the Fourth Proportional to 220,905.72, 331,369.52 and 63,157.44

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Solution

The fourth proportional to 220,905.72, 331,369.52 and 63,157.44 is: 94,739.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,905.72 : 331,369.52 = 63,157.44 : x
  2. Step 2: Convert to fraction form
    220,905.72/331,369.52 = 63,157.44/x
  3. Step 3: Cross multiply
    220,905.72x = 331,369.52 × 63,157.44
  4. Step 4: Simplify right side
    220,905.72x = 20,928,450,577.23
  5. Step 5: Solve for x
    x = 20,928,450,577.23/220,905.72
  6. Step 6: Final answer
    x = 94,739.29

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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.