Home / 193,633.86-290,564.47-81,305.44

Finding the Fourth Proportional to 193,633.86, 290,564.47 and 81,305.44

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Solution

The fourth proportional to 193,633.86, 290,564.47 and 81,305.44 is: 122,005.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,633.86 : 290,564.47 = 81,305.44 : x
  2. Step 2: Convert to fraction form
    193,633.86/290,564.47 = 81,305.44/x
  3. Step 3: Cross multiply
    193,633.86x = 290,564.47 × 81,305.44
  4. Step 4: Simplify right side
    193,633.86x = 23,624,472,081.72
  5. Step 5: Solve for x
    x = 23,624,472,081.72/193,633.86
  6. Step 6: Final answer
    x = 122,005.89

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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.