Home / 123,599.20-185,186.90-82,996.60

Finding the Fourth Proportional to 123,599.20, 185,186.90 and 82,996.60

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Solution

The fourth proportional to 123,599.20, 185,186.90 and 82,996.60 is: 124,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,599.20 : 185,186.90 = 82,996.60 : x
  2. Step 2: Convert to fraction form
    123,599.20/185,186.90 = 82,996.60/x
  3. Step 3: Cross multiply
    123,599.20x = 185,186.90 × 82,996.60
  4. Step 4: Simplify right side
    123,599.20x = 15,369,883,064.54
  5. Step 5: Solve for x
    x = 15,369,883,064.54/123,599.20
  6. Step 6: Final answer
    x = 124,352.61

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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.