Home / 178,979.76-246,997.44-98,403.12

Finding the Fourth Proportional to 178,979.76, 246,997.44 and 98,403.12

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Solution

The fourth proportional to 178,979.76, 246,997.44 and 98,403.12 is: 135,799.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,979.76 : 246,997.44 = 98,403.12 : x
  2. Step 2: Convert to fraction form
    178,979.76/246,997.44 = 98,403.12/x
  3. Step 3: Cross multiply
    178,979.76x = 246,997.44 × 98,403.12
  4. Step 4: Simplify right side
    178,979.76x = 24,305,318,728.01
  5. Step 5: Solve for x
    x = 24,305,318,728.01/178,979.76
  6. Step 6: Final answer
    x = 135,799.26

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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.