Home / 225,996.36-338,994.20-92,782.78

Finding the Fourth Proportional to 225,996.36, 338,994.20 and 92,782.78

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Solution

The fourth proportional to 225,996.36, 338,994.20 and 92,782.78 is: 139,174.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,996.36 : 338,994.20 = 92,782.78 : x
  2. Step 2: Convert to fraction form
    225,996.36/338,994.20 = 92,782.78/x
  3. Step 3: Cross multiply
    225,996.36x = 338,994.20 × 92,782.78
  4. Step 4: Simplify right side
    225,996.36x = 31,452,824,279.88
  5. Step 5: Solve for x
    x = 31,452,824,279.88/225,996.36
  6. Step 6: Final answer
    x = 139,174.03

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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.