Home / 275,694.03-412,959.78-126,060.12

Finding the Fourth Proportional to 275,694.03, 412,959.78 and 126,060.12

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Solution

The fourth proportional to 275,694.03, 412,959.78 and 126,060.12 is: 188,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,694.03 : 412,959.78 = 126,060.12 : x
  2. Step 2: Convert to fraction form
    275,694.03/412,959.78 = 126,060.12/x
  3. Step 3: Cross multiply
    275,694.03x = 412,959.78 × 126,060.12
  4. Step 4: Simplify right side
    275,694.03x = 52,057,759,421.97
  5. Step 5: Solve for x
    x = 52,057,759,421.97/275,694.03
  6. Step 6: Final answer
    x = 188,824.40

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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.