Home / 226,405.28-339,301.56-86,087.36

Finding the Fourth Proportional to 226,405.28, 339,301.56 and 86,087.36

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Solution

The fourth proportional to 226,405.28, 339,301.56 and 86,087.36 is: 129,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,405.28 : 339,301.56 = 86,087.36 : x
  2. Step 2: Convert to fraction form
    226,405.28/339,301.56 = 86,087.36/x
  3. Step 3: Cross multiply
    226,405.28x = 339,301.56 × 86,087.36
  4. Step 4: Simplify right side
    226,405.28x = 29,209,575,544.28
  5. Step 5: Solve for x
    x = 29,209,575,544.28/226,405.28
  6. Step 6: Final answer
    x = 129,014.55

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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.