Home / 221,093.22-331,704.36-71,330.52

Finding the Fourth Proportional to 221,093.22, 331,704.36 and 71,330.52

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Solution

The fourth proportional to 221,093.22, 331,704.36 and 71,330.52 is: 107,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,093.22 : 331,704.36 = 71,330.52 : x
  2. Step 2: Convert to fraction form
    221,093.22/331,704.36 = 71,330.52/x
  3. Step 3: Cross multiply
    221,093.22x = 331,704.36 × 71,330.52
  4. Step 4: Simplify right side
    221,093.22x = 23,660,644,485.07
  5. Step 5: Solve for x
    x = 23,660,644,485.07/221,093.22
  6. Step 6: Final answer
    x = 107,016.60

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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.