Home / 220,904.40-331,453.80-102,514.80

Finding the Fourth Proportional to 220,904.40, 331,453.80 and 102,514.80

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Solution

The fourth proportional to 220,904.40, 331,453.80 and 102,514.80 is: 153,817.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,904.40 : 331,453.80 = 102,514.80 : x
  2. Step 2: Convert to fraction form
    220,904.40/331,453.80 = 102,514.80/x
  3. Step 3: Cross multiply
    220,904.40x = 331,453.80 × 102,514.80
  4. Step 4: Simplify right side
    220,904.40x = 33,978,920,016.24
  5. Step 5: Solve for x
    x = 33,978,920,016.24/220,904.40
  6. Step 6: Final answer
    x = 153,817.31

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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.