Home / 186,472.14-279,735.77-68,115.81

Finding the Fourth Proportional to 186,472.14, 279,735.77 and 68,115.81

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Solution

The fourth proportional to 186,472.14, 279,735.77 and 68,115.81 is: 102,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,472.14 : 279,735.77 = 68,115.81 : x
  2. Step 2: Convert to fraction form
    186,472.14/279,735.77 = 68,115.81/x
  3. Step 3: Cross multiply
    186,472.14x = 279,735.77 × 68,115.81
  4. Step 4: Simplify right side
    186,472.14x = 19,054,428,559.52
  5. Step 5: Solve for x
    x = 19,054,428,559.52/186,472.14
  6. Step 6: Final answer
    x = 102,183.78

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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.