Home / 216,538.24-324,902.31-102,768.22

Finding the Fourth Proportional to 216,538.24, 324,902.31 and 102,768.22

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Solution

The fourth proportional to 216,538.24, 324,902.31 and 102,768.22 is: 154,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,538.24 : 324,902.31 = 102,768.22 : x
  2. Step 2: Convert to fraction form
    216,538.24/324,902.31 = 102,768.22/x
  3. Step 3: Cross multiply
    216,538.24x = 324,902.31 × 102,768.22
  4. Step 4: Simplify right side
    216,538.24x = 33,389,632,072.59
  5. Step 5: Solve for x
    x = 33,389,632,072.59/216,538.24
  6. Step 6: Final answer
    x = 154,197.39

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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.