Home / 196,849.58-294,999.87-148,778.72

Finding the Fourth Proportional to 196,849.58, 294,999.87 and 148,778.72

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Solution

The fourth proportional to 196,849.58, 294,999.87 and 148,778.72 is: 222,960.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,849.58 : 294,999.87 = 148,778.72 : x
  2. Step 2: Convert to fraction form
    196,849.58/294,999.87 = 148,778.72/x
  3. Step 3: Cross multiply
    196,849.58x = 294,999.87 × 148,778.72
  4. Step 4: Simplify right side
    196,849.58x = 43,889,703,796.27
  5. Step 5: Solve for x
    x = 43,889,703,796.27/196,849.58
  6. Step 6: Final answer
    x = 222,960.62

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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.