Home / 203,685.50-281,087.62-123,166.64

Finding the Fourth Proportional to 203,685.50, 281,087.62 and 123,166.64

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Solution

The fourth proportional to 203,685.50, 281,087.62 and 123,166.64 is: 169,970.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,685.50 : 281,087.62 = 123,166.64 : x
  2. Step 2: Convert to fraction form
    203,685.50/281,087.62 = 123,166.64/x
  3. Step 3: Cross multiply
    203,685.50x = 281,087.62 × 123,166.64
  4. Step 4: Simplify right side
    203,685.50x = 34,620,618,095.80
  5. Step 5: Solve for x
    x = 34,620,618,095.80/203,685.50
  6. Step 6: Final answer
    x = 169,970.95

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1.5x scale

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.