Home / 220,544.10-330,160.05-131,751.90

Finding the Fourth Proportional to 220,544.10, 330,160.05 and 131,751.90

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Solution

The fourth proportional to 220,544.10, 330,160.05 and 131,751.90 is: 197,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,544.10 : 330,160.05 = 131,751.90 : x
  2. Step 2: Convert to fraction form
    220,544.10/330,160.05 = 131,751.90/x
  3. Step 3: Cross multiply
    220,544.10x = 330,160.05 × 131,751.90
  4. Step 4: Simplify right side
    220,544.10x = 43,499,213,891.60
  5. Step 5: Solve for x
    x = 43,499,213,891.60/220,544.10
  6. Step 6: Final answer
    x = 197,235.90

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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.