Home / 135,052.82-186,367.88-74,622.18

Finding the Fourth Proportional to 135,052.82, 186,367.88 and 74,622.18

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Solution

The fourth proportional to 135,052.82, 186,367.88 and 74,622.18 is: 102,975.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,052.82 : 186,367.88 = 74,622.18 : x
  2. Step 2: Convert to fraction form
    135,052.82/186,367.88 = 74,622.18/x
  3. Step 3: Cross multiply
    135,052.82x = 186,367.88 × 74,622.18
  4. Step 4: Simplify right side
    135,052.82x = 13,907,177,487.58
  5. Step 5: Solve for x
    x = 13,907,177,487.58/135,052.82
  6. Step 6: Final answer
    x = 102,975.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.