Home / 220,764.23-331,195.74-80,522.86

Finding the Fourth Proportional to 220,764.23, 331,195.74 and 80,522.86

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Solution

The fourth proportional to 220,764.23, 331,195.74 and 80,522.86 is: 120,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,764.23 : 331,195.74 = 80,522.86 : x
  2. Step 2: Convert to fraction form
    220,764.23/331,195.74 = 80,522.86/x
  3. Step 3: Cross multiply
    220,764.23x = 331,195.74 × 80,522.86
  4. Step 4: Simplify right side
    220,764.23x = 26,668,827,695.66
  5. Step 5: Solve for x
    x = 26,668,827,695.66/220,764.23
  6. Step 6: Final answer
    x = 120,802.30

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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.