Home / 186,131.20-278,867.40-179,964.40

Finding the Fourth Proportional to 186,131.20, 278,867.40 and 179,964.40

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Solution

The fourth proportional to 186,131.20, 278,867.40 and 179,964.40 is: 269,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,131.20 : 278,867.40 = 179,964.40 : x
  2. Step 2: Convert to fraction form
    186,131.20/278,867.40 = 179,964.40/x
  3. Step 3: Cross multiply
    186,131.20x = 278,867.40 × 179,964.40
  4. Step 4: Simplify right side
    186,131.20x = 50,186,204,320.56
  5. Step 5: Solve for x
    x = 50,186,204,320.56/186,131.20
  6. Step 6: Final answer
    x = 269,628.11

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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.