Home / 123,600.05-185,188.16-82,997.45

Finding the Fourth Proportional to 123,600.05, 185,188.16 and 82,997.45

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Solution

The fourth proportional to 123,600.05, 185,188.16 and 82,997.45 is: 124,353.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,600.05 : 185,188.16 = 82,997.45 : x
  2. Step 2: Convert to fraction form
    123,600.05/185,188.16 = 82,997.45/x
  3. Step 3: Cross multiply
    123,600.05x = 185,188.16 × 82,997.45
  4. Step 4: Simplify right side
    123,600.05x = 15,370,145,050.19
  5. Step 5: Solve for x
    x = 15,370,145,050.19/123,600.05
  6. Step 6: Final answer
    x = 124,353.87

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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.