Home / 146,734.26-220,132.94-45,530.21

Finding the Fourth Proportional to 146,734.26, 220,132.94 and 45,530.21

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Solution

The fourth proportional to 146,734.26, 220,132.94 and 45,530.21 is: 68,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,734.26 : 220,132.94 = 45,530.21 : x
  2. Step 2: Convert to fraction form
    146,734.26/220,132.94 = 45,530.21/x
  3. Step 3: Cross multiply
    146,734.26x = 220,132.94 × 45,530.21
  4. Step 4: Simplify right side
    146,734.26x = 10,022,698,481.44
  5. Step 5: Solve for x
    x = 10,022,698,481.44/146,734.26
  6. Step 6: Final answer
    x = 68,305.10

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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.