Home / 234,949.89-324,231.17-127,519.90

Finding the Fourth Proportional to 234,949.89, 324,231.17 and 127,519.90

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Solution

The fourth proportional to 234,949.89, 324,231.17 and 127,519.90 is: 175,977.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,949.89 : 324,231.17 = 127,519.90 : x
  2. Step 2: Convert to fraction form
    234,949.89/324,231.17 = 127,519.90/x
  3. Step 3: Cross multiply
    234,949.89x = 324,231.17 × 127,519.90
  4. Step 4: Simplify right side
    234,949.89x = 41,345,925,465.08
  5. Step 5: Solve for x
    x = 41,345,925,465.08/234,949.89
  6. Step 6: Final answer
    x = 175,977.63

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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.