Home / 121,183.00-181,857.52-42,297.22

Finding the Fourth Proportional to 121,183.00, 181,857.52 and 42,297.22

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Solution

The fourth proportional to 121,183.00, 181,857.52 and 42,297.22 is: 63,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,183.00 : 181,857.52 = 42,297.22 : x
  2. Step 2: Convert to fraction form
    121,183.00/181,857.52 = 42,297.22/x
  3. Step 3: Cross multiply
    121,183.00x = 181,857.52 × 42,297.22
  4. Step 4: Simplify right side
    121,183.00x = 7,692,067,812.29
  5. Step 5: Solve for x
    x = 7,692,067,812.29/121,183.00
  6. Step 6: Final answer
    x = 63,474.81

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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.