Home / 226,409.06-339,464.54-126,716.42

Finding the Fourth Proportional to 226,409.06, 339,464.54 and 126,716.42

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Solution

The fourth proportional to 226,409.06, 339,464.54 and 126,716.42 is: 189,991.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,409.06 : 339,464.54 = 126,716.42 : x
  2. Step 2: Convert to fraction form
    226,409.06/339,464.54 = 126,716.42/x
  3. Step 3: Cross multiply
    226,409.06x = 339,464.54 × 126,716.42
  4. Step 4: Simplify right side
    226,409.06x = 43,015,731,225.75
  5. Step 5: Solve for x
    x = 43,015,731,225.75/226,409.06
  6. Step 6: Final answer
    x = 189,991.21

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1.5x scale

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.