Home / 106,321.25-159,548.62-43,141.62

Finding the Fourth Proportional to 106,321.25, 159,548.62 and 43,141.62

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Solution

The fourth proportional to 106,321.25, 159,548.62 and 43,141.62 is: 64,739.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,321.25 : 159,548.62 = 43,141.62 : x
  2. Step 2: Convert to fraction form
    106,321.25/159,548.62 = 43,141.62/x
  3. Step 3: Cross multiply
    106,321.25x = 159,548.62 × 43,141.62
  4. Step 4: Simplify right side
    106,321.25x = 6,883,185,935.56
  5. Step 5: Solve for x
    x = 6,883,185,935.56/106,321.25
  6. Step 6: Final answer
    x = 64,739.51

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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.