Home / 159,850.36-220,579.53-102,388.31

Finding the Fourth Proportional to 159,850.36, 220,579.53 and 102,388.31

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Solution

The fourth proportional to 159,850.36, 220,579.53 and 102,388.31 is: 141,286.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,850.36 : 220,579.53 = 102,388.31 : x
  2. Step 2: Convert to fraction form
    159,850.36/220,579.53 = 102,388.31/x
  3. Step 3: Cross multiply
    159,850.36x = 220,579.53 × 102,388.31
  4. Step 4: Simplify right side
    159,850.36x = 22,584,764,637.61
  5. Step 5: Solve for x
    x = 22,584,764,637.61/159,850.36
  6. Step 6: Final answer
    x = 141,286.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.