Home / 186,200.43-279,081.84-86,149.23

Finding the Fourth Proportional to 186,200.43, 279,081.84 and 86,149.23

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Solution

The fourth proportional to 186,200.43, 279,081.84 and 86,149.23 is: 129,122.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,200.43 : 279,081.84 = 86,149.23 : x
  2. Step 2: Convert to fraction form
    186,200.43/279,081.84 = 86,149.23/x
  3. Step 3: Cross multiply
    186,200.43x = 279,081.84 × 86,149.23
  4. Step 4: Simplify right side
    186,200.43x = 24,042,685,622.98
  5. Step 5: Solve for x
    x = 24,042,685,622.98/186,200.43
  6. Step 6: Final answer
    x = 129,122.61

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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.