Home / 186,630.20-279,945.30-179,631.80

Finding the Fourth Proportional to 186,630.20, 279,945.30 and 179,631.80

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Solution

The fourth proportional to 186,630.20, 279,945.30 and 179,631.80 is: 269,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,630.20 : 279,945.30 = 179,631.80 : x
  2. Step 2: Convert to fraction form
    186,630.20/279,945.30 = 179,631.80/x
  3. Step 3: Cross multiply
    186,630.20x = 279,945.30 × 179,631.80
  4. Step 4: Simplify right side
    186,630.20x = 50,287,078,140.54
  5. Step 5: Solve for x
    x = 50,287,078,140.54/186,630.20
  6. Step 6: Final answer
    x = 269,447.70

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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.