Home / 195,968.72-270,372.79-114,278.45

Finding the Fourth Proportional to 195,968.72, 270,372.79 and 114,278.45

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Solution

The fourth proportional to 195,968.72, 270,372.79 and 114,278.45 is: 157,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,968.72 : 270,372.79 = 114,278.45 : x
  2. Step 2: Convert to fraction form
    195,968.72/270,372.79 = 114,278.45/x
  3. Step 3: Cross multiply
    195,968.72x = 270,372.79 × 114,278.45
  4. Step 4: Simplify right side
    195,968.72x = 30,897,781,511.54
  5. Step 5: Solve for x
    x = 30,897,781,511.54/195,968.72
  6. Step 6: Final answer
    x = 157,666.91

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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.