Home / 164,490.74-226,997.49-89,039.54

Finding the Fourth Proportional to 164,490.74, 226,997.49 and 89,039.54

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Solution

The fourth proportional to 164,490.74, 226,997.49 and 89,039.54 is: 122,874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,490.74 : 226,997.49 = 89,039.54 : x
  2. Step 2: Convert to fraction form
    164,490.74/226,997.49 = 89,039.54/x
  3. Step 3: Cross multiply
    164,490.74x = 226,997.49 × 89,039.54
  4. Step 4: Simplify right side
    164,490.74x = 20,211,752,090.75
  5. Step 5: Solve for x
    x = 20,211,752,090.75/164,490.74
  6. Step 6: Final answer
    x = 122,874.71

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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.