Home / 124,550.20-186,825.30-102,680.20

Finding the Fourth Proportional to 124,550.20, 186,825.30 and 102,680.20

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Solution

The fourth proportional to 124,550.20, 186,825.30 and 102,680.20 is: 154,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,550.20 : 186,825.30 = 102,680.20 : x
  2. Step 2: Convert to fraction form
    124,550.20/186,825.30 = 102,680.20/x
  3. Step 3: Cross multiply
    124,550.20x = 186,825.30 × 102,680.20
  4. Step 4: Simplify right side
    124,550.20x = 19,183,259,169.06
  5. Step 5: Solve for x
    x = 19,183,259,169.06/124,550.20
  6. Step 6: Final answer
    x = 154,020.30

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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.