Home / 161,257.36-241,952.66-81,252.56

Finding the Fourth Proportional to 161,257.36, 241,952.66 and 81,252.56

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Solution

The fourth proportional to 161,257.36, 241,952.66 and 81,252.56 is: 121,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,257.36 : 241,952.66 = 81,252.56 : x
  2. Step 2: Convert to fraction form
    161,257.36/241,952.66 = 81,252.56/x
  3. Step 3: Cross multiply
    161,257.36x = 241,952.66 × 81,252.56
  4. Step 4: Simplify right side
    161,257.36x = 19,659,273,831.82
  5. Step 5: Solve for x
    x = 19,659,273,831.82/161,257.36
  6. Step 6: Final answer
    x = 121,912.41

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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.