Home / 198,857.96-274,427.62-109,432.04

Finding the Fourth Proportional to 198,857.96, 274,427.62 and 109,432.04

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Solution

The fourth proportional to 198,857.96, 274,427.62 and 109,432.04 is: 151,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,857.96 : 274,427.62 = 109,432.04 : x
  2. Step 2: Convert to fraction form
    198,857.96/274,427.62 = 109,432.04/x
  3. Step 3: Cross multiply
    198,857.96x = 274,427.62 × 109,432.04
  4. Step 4: Simplify right side
    198,857.96x = 30,031,174,288.94
  5. Step 5: Solve for x
    x = 30,031,174,288.94/198,857.96
  6. Step 6: Final answer
    x = 151,018.22

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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.