Home / 181,918.41-272,871.46-55,553.55

Finding the Fourth Proportional to 181,918.41, 272,871.46 and 55,553.55

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Solution

The fourth proportional to 181,918.41, 272,871.46 and 55,553.55 is: 83,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,918.41 : 272,871.46 = 55,553.55 : x
  2. Step 2: Convert to fraction form
    181,918.41/272,871.46 = 55,553.55/x
  3. Step 3: Cross multiply
    181,918.41x = 272,871.46 × 55,553.55
  4. Step 4: Simplify right side
    181,918.41x = 15,158,978,296.68
  5. Step 5: Solve for x
    x = 15,158,978,296.68/181,918.41
  6. Step 6: Final answer
    x = 83,328.45

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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.