Home / 186,158.20-278,907.90-179,991.40

Finding the Fourth Proportional to 186,158.20, 278,907.90 and 179,991.40

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Solution

The fourth proportional to 186,158.20, 278,907.90 and 179,991.40 is: 269,668.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,158.20 : 278,907.90 = 179,991.40 : x
  2. Step 2: Convert to fraction form
    186,158.20/278,907.90 = 179,991.40/x
  3. Step 3: Cross multiply
    186,158.20x = 278,907.90 × 179,991.40
  4. Step 4: Simplify right side
    186,158.20x = 50,201,023,392.06
  5. Step 5: Solve for x
    x = 50,201,023,392.06/186,158.20
  6. Step 6: Final answer
    x = 269,668.61

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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.