Home / 181,629.09-272,453.87-55,273.45

Finding the Fourth Proportional to 181,629.09, 272,453.87 and 55,273.45

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Solution

The fourth proportional to 181,629.09, 272,453.87 and 55,273.45 is: 82,913.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,629.09 : 272,453.87 = 55,273.45 : x
  2. Step 2: Convert to fraction form
    181,629.09/272,453.87 = 55,273.45/x
  3. Step 3: Cross multiply
    181,629.09x = 272,453.87 × 55,273.45
  4. Step 4: Simplify right side
    181,629.09x = 15,059,465,360.75
  5. Step 5: Solve for x
    x = 15,059,465,360.75/181,629.09
  6. Step 6: Final answer
    x = 82,913.29

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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.