Home / 193,552.36-290,279.82-68,864.20

Finding the Fourth Proportional to 193,552.36, 290,279.82 and 68,864.20

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Solution

The fourth proportional to 193,552.36, 290,279.82 and 68,864.20 is: 103,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,552.36 : 290,279.82 = 68,864.20 : x
  2. Step 2: Convert to fraction form
    193,552.36/290,279.82 = 68,864.20/x
  3. Step 3: Cross multiply
    193,552.36x = 290,279.82 × 68,864.20
  4. Step 4: Simplify right side
    193,552.36x = 19,989,887,580.44
  5. Step 5: Solve for x
    x = 19,989,887,580.44/193,552.36
  6. Step 6: Final answer
    x = 103,278.97

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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.