Home / 186,209.08-279,144.18-67,853.44

Finding the Fourth Proportional to 186,209.08, 279,144.18 and 67,853.44

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Solution

The fourth proportional to 186,209.08, 279,144.18 and 67,853.44 is: 101,718.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,209.08 : 279,144.18 = 67,853.44 : x
  2. Step 2: Convert to fraction form
    186,209.08/279,144.18 = 67,853.44/x
  3. Step 3: Cross multiply
    186,209.08x = 279,144.18 × 67,853.44
  4. Step 4: Simplify right side
    186,209.08x = 18,940,892,868.98
  5. Step 5: Solve for x
    x = 18,940,892,868.98/186,209.08
  6. Step 6: Final answer
    x = 101,718.42

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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.