Home / 124,214.20-186,102.60-101,906.80

Finding the Fourth Proportional to 124,214.20, 186,102.60 and 101,906.80

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Solution

The fourth proportional to 124,214.20, 186,102.60 and 101,906.80 is: 152,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,214.20 : 186,102.60 = 101,906.80 : x
  2. Step 2: Convert to fraction form
    124,214.20/186,102.60 = 101,906.80/x
  3. Step 3: Cross multiply
    124,214.20x = 186,102.60 × 101,906.80
  4. Step 4: Simplify right side
    124,214.20x = 18,965,120,437.68
  5. Step 5: Solve for x
    x = 18,965,120,437.68/124,214.20
  6. Step 6: Final answer
    x = 152,680.78

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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.