Home / 181,536.05-272,343.25-55,186.47

Finding the Fourth Proportional to 181,536.05, 272,343.25 and 55,186.47

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Solution

The fourth proportional to 181,536.05, 272,343.25 and 55,186.47 is: 82,791.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,536.05 : 272,343.25 = 55,186.47 : x
  2. Step 2: Convert to fraction form
    181,536.05/272,343.25 = 55,186.47/x
  3. Step 3: Cross multiply
    181,536.05x = 272,343.25 × 55,186.47
  4. Step 4: Simplify right side
    181,536.05x = 15,029,663,005.24
  5. Step 5: Solve for x
    x = 15,029,663,005.24/181,536.05
  6. Step 6: Final answer
    x = 82,791.62

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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.