Home / 186,631.20-279,946.80-179,632.80

Finding the Fourth Proportional to 186,631.20, 279,946.80 and 179,632.80

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Solution

The fourth proportional to 186,631.20, 279,946.80 and 179,632.80 is: 269,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,631.20 : 279,946.80 = 179,632.80 : x
  2. Step 2: Convert to fraction form
    186,631.20/279,946.80 = 179,632.80/x
  3. Step 3: Cross multiply
    186,631.20x = 279,946.80 × 179,632.80
  4. Step 4: Simplify right side
    186,631.20x = 50,287,627,535.04
  5. Step 5: Solve for x
    x = 50,287,627,535.04/186,631.20
  6. Step 6: Final answer
    x = 269,449.20

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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.