Home / 188,184.80-281,908.13-109,132.95

Finding the Fourth Proportional to 188,184.80, 281,908.13 and 109,132.95

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Solution

The fourth proportional to 188,184.80, 281,908.13 and 109,132.95 is: 163,485.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,184.80 : 281,908.13 = 109,132.95 : x
  2. Step 2: Convert to fraction form
    188,184.80/281,908.13 = 109,132.95/x
  3. Step 3: Cross multiply
    188,184.80x = 281,908.13 × 109,132.95
  4. Step 4: Simplify right side
    188,184.80x = 30,765,465,855.88
  5. Step 5: Solve for x
    x = 30,765,465,855.88/188,184.80
  6. Step 6: Final answer
    x = 163,485.39

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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.