Home / 216,623.28-324,940.50-102,744.48

Finding the Fourth Proportional to 216,623.28, 324,940.50 and 102,744.48

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Solution

The fourth proportional to 216,623.28, 324,940.50 and 102,744.48 is: 154,119.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,623.28 : 324,940.50 = 102,744.48 : x
  2. Step 2: Convert to fraction form
    216,623.28/324,940.50 = 102,744.48/x
  3. Step 3: Cross multiply
    216,623.28x = 324,940.50 × 102,744.48
  4. Step 4: Simplify right side
    216,623.28x = 33,385,842,703.44
  5. Step 5: Solve for x
    x = 33,385,842,703.44/216,623.28
  6. Step 6: Final answer
    x = 154,119.37

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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.