Home / 192,231.54-288,399.78-92,475.18

Finding the Fourth Proportional to 192,231.54, 288,399.78 and 92,475.18

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Solution

The fourth proportional to 192,231.54, 288,399.78 and 92,475.18 is: 138,738.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,231.54 : 288,399.78 = 92,475.18 : x
  2. Step 2: Convert to fraction form
    192,231.54/288,399.78 = 92,475.18/x
  3. Step 3: Cross multiply
    192,231.54x = 288,399.78 × 92,475.18
  4. Step 4: Simplify right side
    192,231.54x = 26,669,821,567.46
  5. Step 5: Solve for x
    x = 26,669,821,567.46/192,231.54
  6. Step 6: Final answer
    x = 138,738.01

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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.