Home / 198,543.82-273,997.05-116,857.27

Finding the Fourth Proportional to 198,543.82, 273,997.05 and 116,857.27

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Solution

The fourth proportional to 198,543.82, 273,997.05 and 116,857.27 is: 161,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,543.82 : 273,997.05 = 116,857.27 : x
  2. Step 2: Convert to fraction form
    198,543.82/273,997.05 = 116,857.27/x
  3. Step 3: Cross multiply
    198,543.82x = 273,997.05 × 116,857.27
  4. Step 4: Simplify right side
    198,543.82x = 32,018,547,251.05
  5. Step 5: Solve for x
    x = 32,018,547,251.05/198,543.82
  6. Step 6: Final answer
    x = 161,266.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.