Home / 275,719.16-412,997.49-126,085.37

Finding the Fourth Proportional to 275,719.16, 412,997.49 and 126,085.37

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Solution

The fourth proportional to 275,719.16, 412,997.49 and 126,085.37 is: 188,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,719.16 : 412,997.49 = 126,085.37 : x
  2. Step 2: Convert to fraction form
    275,719.16/412,997.49 = 126,085.37/x
  3. Step 3: Cross multiply
    275,719.16x = 412,997.49 × 126,085.37
  4. Step 4: Simplify right side
    275,719.16x = 52,072,939,270.73
  5. Step 5: Solve for x
    x = 52,072,939,270.73/275,719.16
  6. Step 6: Final answer
    x = 188,862.25

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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.