Home / 120,861.64-181,286.99-41,982.02

Finding the Fourth Proportional to 120,861.64, 181,286.99 and 41,982.02

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Solution

The fourth proportional to 120,861.64, 181,286.99 and 41,982.02 is: 62,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,861.64 : 181,286.99 = 41,982.02 : x
  2. Step 2: Convert to fraction form
    120,861.64/181,286.99 = 41,982.02/x
  3. Step 3: Cross multiply
    120,861.64x = 181,286.99 × 41,982.02
  4. Step 4: Simplify right side
    120,861.64x = 7,610,794,039.92
  5. Step 5: Solve for x
    x = 7,610,794,039.92/120,861.64
  6. Step 6: Final answer
    x = 62,971.13

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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.