Home / 119,896.48-165,456.21-66,181.51

Finding the Fourth Proportional to 119,896.48, 165,456.21 and 66,181.51

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Solution

The fourth proportional to 119,896.48, 165,456.21 and 66,181.51 is: 91,329.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,896.48 : 165,456.21 = 66,181.51 : x
  2. Step 2: Convert to fraction form
    119,896.48/165,456.21 = 66,181.51/x
  3. Step 3: Cross multiply
    119,896.48x = 165,456.21 × 66,181.51
  4. Step 4: Simplify right side
    119,896.48x = 10,950,141,816.68
  5. Step 5: Solve for x
    x = 10,950,141,816.68/119,896.48
  6. Step 6: Final answer
    x = 91,329.97

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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.