Home / 200,611.20-301,062.60-82,367.40

Finding the Fourth Proportional to 200,611.20, 301,062.60 and 82,367.40

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Solution

The fourth proportional to 200,611.20, 301,062.60 and 82,367.40 is: 123,610.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,611.20 : 301,062.60 = 82,367.40 : x
  2. Step 2: Convert to fraction form
    200,611.20/301,062.60 = 82,367.40/x
  3. Step 3: Cross multiply
    200,611.20x = 301,062.60 × 82,367.40
  4. Step 4: Simplify right side
    200,611.20x = 24,797,743,599.24
  5. Step 5: Solve for x
    x = 24,797,743,599.24/200,611.20
  6. Step 6: Final answer
    x = 123,610.96

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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.