Home / 216,040.44-324,076.24-82,920.70

Finding the Fourth Proportional to 216,040.44, 324,076.24 and 82,920.70

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Solution

The fourth proportional to 216,040.44, 324,076.24 and 82,920.70 is: 124,387.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,040.44 : 324,076.24 = 82,920.70 : x
  2. Step 2: Convert to fraction form
    216,040.44/324,076.24 = 82,920.70/x
  3. Step 3: Cross multiply
    216,040.44x = 324,076.24 × 82,920.70
  4. Step 4: Simplify right side
    216,040.44x = 26,872,628,674.17
  5. Step 5: Solve for x
    x = 26,872,628,674.17/216,040.44
  6. Step 6: Final answer
    x = 124,387.03

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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.