Home / 393,932.20-590,910.32-154,036.52

Finding the Fourth Proportional to 393,932.20, 590,910.32 and 154,036.52

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Solution

The fourth proportional to 393,932.20, 590,910.32 and 154,036.52 is: 231,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,932.20 : 590,910.32 = 154,036.52 : x
  2. Step 2: Convert to fraction form
    393,932.20/590,910.32 = 154,036.52/x
  3. Step 3: Cross multiply
    393,932.20x = 590,910.32 × 154,036.52
  4. Step 4: Simplify right side
    393,932.20x = 91,021,769,324.89
  5. Step 5: Solve for x
    x = 91,021,769,324.89/393,932.20
  6. Step 6: Final answer
    x = 231,059.48

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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.