Home / 186,272.35-279,450.19-67,943.69

Finding the Fourth Proportional to 186,272.35, 279,450.19 and 67,943.69

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Solution

The fourth proportional to 186,272.35, 279,450.19 and 67,943.69 is: 101,930.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,272.35 : 279,450.19 = 67,943.69 : x
  2. Step 2: Convert to fraction form
    186,272.35/279,450.19 = 67,943.69/x
  3. Step 3: Cross multiply
    186,272.35x = 279,450.19 × 67,943.69
  4. Step 4: Simplify right side
    186,272.35x = 18,986,877,079.80
  5. Step 5: Solve for x
    x = 18,986,877,079.80/186,272.35
  6. Step 6: Final answer
    x = 101,930.73

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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.