Home / 221,723.41-332,667.75-133,040.56

Finding the Fourth Proportional to 221,723.41, 332,667.75 and 133,040.56

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Solution

The fourth proportional to 221,723.41, 332,667.75 and 133,040.56 is: 199,610.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,723.41 : 332,667.75 = 133,040.56 : x
  2. Step 2: Convert to fraction form
    221,723.41/332,667.75 = 133,040.56/x
  3. Step 3: Cross multiply
    221,723.41x = 332,667.75 × 133,040.56
  4. Step 4: Simplify right side
    221,723.41x = 44,258,303,753.94
  5. Step 5: Solve for x
    x = 44,258,303,753.94/221,723.41
  6. Step 6: Final answer
    x = 199,610.42

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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.