Home / 186,247.80-279,376.83-68,007.24

Finding the Fourth Proportional to 186,247.80, 279,376.83 and 68,007.24

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Solution

The fourth proportional to 186,247.80, 279,376.83 and 68,007.24 is: 102,012.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,247.80 : 279,376.83 = 68,007.24 : x
  2. Step 2: Convert to fraction form
    186,247.80/279,376.83 = 68,007.24/x
  3. Step 3: Cross multiply
    186,247.80x = 279,376.83 × 68,007.24
  4. Step 4: Simplify right side
    186,247.80x = 18,999,647,128.25
  5. Step 5: Solve for x
    x = 18,999,647,128.25/186,247.80
  6. Step 6: Final answer
    x = 102,012.73

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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.