Home / 196,660.20-294,932.70-91,453.80

Finding the Fourth Proportional to 196,660.20, 294,932.70 and 91,453.80

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Solution

The fourth proportional to 196,660.20, 294,932.70 and 91,453.80 is: 137,153.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,660.20 : 294,932.70 = 91,453.80 : x
  2. Step 2: Convert to fraction form
    196,660.20/294,932.70 = 91,453.80/x
  3. Step 3: Cross multiply
    196,660.20x = 294,932.70 × 91,453.80
  4. Step 4: Simplify right side
    196,660.20x = 26,972,716,159.26
  5. Step 5: Solve for x
    x = 26,972,716,159.26/196,660.20
  6. Step 6: Final answer
    x = 137,153.91

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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.