Home / 196,261.35-294,190.07-78,016.47

Finding the Fourth Proportional to 196,261.35, 294,190.07 and 78,016.47

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Solution

The fourth proportional to 196,261.35, 294,190.07 and 78,016.47 is: 116,944.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,261.35 : 294,190.07 = 78,016.47 : x
  2. Step 2: Convert to fraction form
    196,261.35/294,190.07 = 78,016.47/x
  3. Step 3: Cross multiply
    196,261.35x = 294,190.07 × 78,016.47
  4. Step 4: Simplify right side
    196,261.35x = 22,951,670,380.37
  5. Step 5: Solve for x
    x = 22,951,670,380.37/196,261.35
  6. Step 6: Final answer
    x = 116,944.42

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1.5x scale

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.