Home / 196,139.14-294,252.45-71,480.14

Finding the Fourth Proportional to 196,139.14, 294,252.45 and 71,480.14

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Solution

The fourth proportional to 196,139.14, 294,252.45 and 71,480.14 is: 107,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,139.14 : 294,252.45 = 71,480.14 : x
  2. Step 2: Convert to fraction form
    196,139.14/294,252.45 = 71,480.14/x
  3. Step 3: Cross multiply
    196,139.14x = 294,252.45 × 71,480.14
  4. Step 4: Simplify right side
    196,139.14x = 21,033,206,321.34
  5. Step 5: Solve for x
    x = 21,033,206,321.34/196,139.14
  6. Step 6: Final answer
    x = 107,236.15

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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.