Home / 196,259.85-294,187.82-78,014.97

Finding the Fourth Proportional to 196,259.85, 294,187.82 and 78,014.97

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Solution

The fourth proportional to 196,259.85, 294,187.82 and 78,014.97 is: 116,942.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,259.85 : 294,187.82 = 78,014.97 : x
  2. Step 2: Convert to fraction form
    196,259.85/294,187.82 = 78,014.97/x
  3. Step 3: Cross multiply
    196,259.85x = 294,187.82 × 78,014.97
  4. Step 4: Simplify right side
    196,259.85x = 22,951,053,561.59
  5. Step 5: Solve for x
    x = 22,951,053,561.59/196,259.85
  6. Step 6: Final answer
    x = 116,942.17

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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.