Home / 145,083.24-217,456.38-82,797.48

Finding the Fourth Proportional to 145,083.24, 217,456.38 and 82,797.48

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Solution

The fourth proportional to 145,083.24, 217,456.38 and 82,797.48 is: 124,100.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,083.24 : 217,456.38 = 82,797.48 : x
  2. Step 2: Convert to fraction form
    145,083.24/217,456.38 = 82,797.48/x
  3. Step 3: Cross multiply
    145,083.24x = 217,456.38 × 82,797.48
  4. Step 4: Simplify right side
    145,083.24x = 18,004,840,273.92
  5. Step 5: Solve for x
    x = 18,004,840,273.92/145,083.24
  6. Step 6: Final answer
    x = 124,100.07

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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.