Home / 196,140.38-294,254.30-71,481.38

Finding the Fourth Proportional to 196,140.38, 294,254.30 and 71,481.38

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Solution

The fourth proportional to 196,140.38, 294,254.30 and 71,481.38 is: 107,238.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,140.38 : 294,254.30 = 71,481.38 : x
  2. Step 2: Convert to fraction form
    196,140.38/294,254.30 = 71,481.38/x
  3. Step 3: Cross multiply
    196,140.38x = 294,254.30 × 71,481.38
  4. Step 4: Simplify right side
    196,140.38x = 21,033,702,142.37
  5. Step 5: Solve for x
    x = 21,033,702,142.37/196,140.38
  6. Step 6: Final answer
    x = 107,238.00

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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.