Home / 124,546.05-186,890.15-67,662.18

Finding the Fourth Proportional to 124,546.05, 186,890.15 and 67,662.18

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Solution

The fourth proportional to 124,546.05, 186,890.15 and 67,662.18 is: 101,531.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,546.05 : 186,890.15 = 67,662.18 : x
  2. Step 2: Convert to fraction form
    124,546.05/186,890.15 = 67,662.18/x
  3. Step 3: Cross multiply
    124,546.05x = 186,890.15 × 67,662.18
  4. Step 4: Simplify right side
    124,546.05x = 12,645,395,138.68
  5. Step 5: Solve for x
    x = 12,645,395,138.68/124,546.05
  6. Step 6: Final answer
    x = 101,531.88

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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.