Home / 198,652.08-274,149.72-123,224.88

Finding the Fourth Proportional to 198,652.08, 274,149.72 and 123,224.88

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Solution

The fourth proportional to 198,652.08, 274,149.72 and 123,224.88 is: 170,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,652.08 : 274,149.72 = 123,224.88 : x
  2. Step 2: Convert to fraction form
    198,652.08/274,149.72 = 123,224.88/x
  3. Step 3: Cross multiply
    198,652.08x = 274,149.72 × 123,224.88
  4. Step 4: Simplify right side
    198,652.08x = 33,782,066,349.03
  5. Step 5: Solve for x
    x = 33,782,066,349.03/198,652.08
  6. Step 6: Final answer
    x = 170,056.44

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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.