Home / 120,933.20-181,400.16-36,694.06

Finding the Fourth Proportional to 120,933.20, 181,400.16 and 36,694.06

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Solution

The fourth proportional to 120,933.20, 181,400.16 and 36,694.06 is: 55,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,933.20 : 181,400.16 = 36,694.06 : x
  2. Step 2: Convert to fraction form
    120,933.20/181,400.16 = 36,694.06/x
  3. Step 3: Cross multiply
    120,933.20x = 181,400.16 × 36,694.06
  4. Step 4: Simplify right side
    120,933.20x = 6,656,308,355.05
  5. Step 5: Solve for x
    x = 6,656,308,355.05/120,933.20
  6. Step 6: Final answer
    x = 55,041.20

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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.