Home / 120,836.64-181,183.68-36,571.20

Finding the Fourth Proportional to 120,836.64, 181,183.68 and 36,571.20

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Solution

The fourth proportional to 120,836.64, 181,183.68 and 36,571.20 is: 54,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,836.64 : 181,183.68 = 36,571.20 : x
  2. Step 2: Convert to fraction form
    120,836.64/181,183.68 = 36,571.20/x
  3. Step 3: Cross multiply
    120,836.64x = 181,183.68 × 36,571.20
  4. Step 4: Simplify right side
    120,836.64x = 6,626,104,598.02
  5. Step 5: Solve for x
    x = 6,626,104,598.02/120,836.64
  6. Step 6: Final answer
    x = 54,835.23

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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.