Home / 221,112.18-331,668.33-80,794.26

Finding the Fourth Proportional to 221,112.18, 331,668.33 and 80,794.26

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Solution

The fourth proportional to 221,112.18, 331,668.33 and 80,794.26 is: 121,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,112.18 : 331,668.33 = 80,794.26 : x
  2. Step 2: Convert to fraction form
    221,112.18/331,668.33 = 80,794.26/x
  3. Step 3: Cross multiply
    221,112.18x = 331,668.33 × 80,794.26
  4. Step 4: Simplify right side
    221,112.18x = 26,796,897,287.79
  5. Step 5: Solve for x
    x = 26,796,897,287.79/221,112.18
  6. Step 6: Final answer
    x = 121,191.41

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1.5x scale

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.