Home / 226,409.31-339,464.93-126,716.67

Finding the Fourth Proportional to 226,409.31, 339,464.93 and 126,716.67

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Solution

The fourth proportional to 226,409.31, 339,464.93 and 126,716.67 is: 189,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,409.31 : 339,464.93 = 126,716.67 : x
  2. Step 2: Convert to fraction form
    226,409.31/339,464.93 = 126,716.67/x
  3. Step 3: Cross multiply
    226,409.31x = 339,464.93 × 126,716.67
  4. Step 4: Simplify right side
    226,409.31x = 43,015,864,877.80
  5. Step 5: Solve for x
    x = 43,015,864,877.80/226,409.31
  6. Step 6: Final answer
    x = 189,991.59

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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.