Home / 226,556.80-312,617.28-131,067.52

Finding the Fourth Proportional to 226,556.80, 312,617.28 and 131,067.52

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Solution

The fourth proportional to 226,556.80, 312,617.28 and 131,067.52 is: 180,855.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,556.80 : 312,617.28 = 131,067.52 : x
  2. Step 2: Convert to fraction form
    226,556.80/312,617.28 = 131,067.52/x
  3. Step 3: Cross multiply
    226,556.80x = 312,617.28 × 131,067.52
  4. Step 4: Simplify right side
    226,556.80x = 40,973,971,598.75
  5. Step 5: Solve for x
    x = 40,973,971,598.75/226,556.80
  6. Step 6: Final answer
    x = 180,855.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.