Home / 164,965.78-227,652.93-89,514.28

Finding the Fourth Proportional to 164,965.78, 227,652.93 and 89,514.28

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Solution

The fourth proportional to 164,965.78, 227,652.93 and 89,514.28 is: 123,529.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,965.78 : 227,652.93 = 89,514.28 : x
  2. Step 2: Convert to fraction form
    164,965.78/227,652.93 = 89,514.28/x
  3. Step 3: Cross multiply
    164,965.78x = 227,652.93 × 89,514.28
  4. Step 4: Simplify right side
    164,965.78x = 20,378,188,403.41
  5. Step 5: Solve for x
    x = 20,378,188,403.41/164,965.78
  6. Step 6: Final answer
    x = 123,529.79

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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.