Home / 216,469.24-324,736.26-76,203.16

Finding the Fourth Proportional to 216,469.24, 324,736.26 and 76,203.16

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Solution

The fourth proportional to 216,469.24, 324,736.26 and 76,203.16 is: 114,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,469.24 : 324,736.26 = 76,203.16 : x
  2. Step 2: Convert to fraction form
    216,469.24/324,736.26 = 76,203.16/x
  3. Step 3: Cross multiply
    216,469.24x = 324,736.26 × 76,203.16
  4. Step 4: Simplify right side
    216,469.24x = 24,745,929,178.58
  5. Step 5: Solve for x
    x = 24,745,929,178.58/216,469.24
  6. Step 6: Final answer
    x = 114,316.15

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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.