Home / 220,051.26-330,189.42-104,776.20

Finding the Fourth Proportional to 220,051.26, 330,189.42 and 104,776.20

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Solution

The fourth proportional to 220,051.26, 330,189.42 and 104,776.20 is: 157,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,051.26 : 330,189.42 = 104,776.20 : x
  2. Step 2: Convert to fraction form
    220,051.26/330,189.42 = 104,776.20/x
  3. Step 3: Cross multiply
    220,051.26x = 330,189.42 × 104,776.20
  4. Step 4: Simplify right side
    220,051.26x = 34,595,992,707.80
  5. Step 5: Solve for x
    x = 34,595,992,707.80/220,051.26
  6. Step 6: Final answer
    x = 157,217.88

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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.