Home / 193,633.73-290,564.27-81,305.31

Finding the Fourth Proportional to 193,633.73, 290,564.27 and 81,305.31

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Solution

The fourth proportional to 193,633.73, 290,564.27 and 81,305.31 is: 122,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,633.73 : 290,564.27 = 81,305.31 : x
  2. Step 2: Convert to fraction form
    193,633.73/290,564.27 = 81,305.31/x
  3. Step 3: Cross multiply
    193,633.73x = 290,564.27 × 81,305.31
  4. Step 4: Simplify right side
    193,633.73x = 23,624,417,640.75
  5. Step 5: Solve for x
    x = 23,624,417,640.75/193,633.73
  6. Step 6: Final answer
    x = 122,005.70

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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.