Home / 181,918.51-272,545.27-131,874.48

Finding the Fourth Proportional to 181,918.51, 272,545.27 and 131,874.48

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Solution

The fourth proportional to 181,918.51, 272,545.27 and 131,874.48 is: 197,570.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,918.51 : 272,545.27 = 131,874.48 : x
  2. Step 2: Convert to fraction form
    181,918.51/272,545.27 = 131,874.48/x
  3. Step 3: Cross multiply
    181,918.51x = 272,545.27 × 131,874.48
  4. Step 4: Simplify right side
    181,918.51x = 35,941,765,428.02
  5. Step 5: Solve for x
    x = 35,941,765,428.02/181,918.51
  6. Step 6: Final answer
    x = 197,570.69

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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.