Home / 177,629.73-266,634.27-76,477.88

Finding the Fourth Proportional to 177,629.73, 266,634.27 and 76,477.88

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Solution

The fourth proportional to 177,629.73, 266,634.27 and 76,477.88 is: 114,798.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,629.73 : 266,634.27 = 76,477.88 : x
  2. Step 2: Convert to fraction form
    177,629.73/266,634.27 = 76,477.88/x
  3. Step 3: Cross multiply
    177,629.73x = 266,634.27 × 76,477.88
  4. Step 4: Simplify right side
    177,629.73x = 20,391,622,371.78
  5. Step 5: Solve for x
    x = 20,391,622,371.78/177,629.73
  6. Step 6: Final answer
    x = 114,798.48

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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.