Home / 164,780.54-227,396.62-89,329.04

Finding the Fourth Proportional to 164,780.54, 227,396.62 and 89,329.04

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Solution

The fourth proportional to 164,780.54, 227,396.62 and 89,329.04 is: 123,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,780.54 : 227,396.62 = 89,329.04 : x
  2. Step 2: Convert to fraction form
    164,780.54/227,396.62 = 89,329.04/x
  3. Step 3: Cross multiply
    164,780.54x = 227,396.62 × 89,329.04
  4. Step 4: Simplify right side
    164,780.54x = 20,313,121,763.84
  5. Step 5: Solve for x
    x = 20,313,121,763.84/164,780.54
  6. Step 6: Final answer
    x = 123,273.79

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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.