Home / 225,975.80-311,845.75-124,002.97

Finding the Fourth Proportional to 225,975.80, 311,845.75 and 124,002.97

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Solution

The fourth proportional to 225,975.80, 311,845.75 and 124,002.97 is: 171,123.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,975.80 : 311,845.75 = 124,002.97 : x
  2. Step 2: Convert to fraction form
    225,975.80/311,845.75 = 124,002.97/x
  3. Step 3: Cross multiply
    225,975.80x = 311,845.75 × 124,002.97
  4. Step 4: Simplify right side
    225,975.80x = 38,669,799,181.88
  5. Step 5: Solve for x
    x = 38,669,799,181.88/225,975.80
  6. Step 6: Final answer
    x = 171,123.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.