Home / 196,218.57-294,371.73-71,559.57

Finding the Fourth Proportional to 196,218.57, 294,371.73 and 71,559.57

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Solution

The fourth proportional to 196,218.57, 294,371.73 and 71,559.57 is: 107,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,218.57 : 294,371.73 = 71,559.57 : x
  2. Step 2: Convert to fraction form
    196,218.57/294,371.73 = 71,559.57/x
  3. Step 3: Cross multiply
    196,218.57x = 294,371.73 × 71,559.57
  4. Step 4: Simplify right side
    196,218.57x = 21,065,114,418.96
  5. Step 5: Solve for x
    x = 21,065,114,418.96/196,218.57
  6. Step 6: Final answer
    x = 107,355.36

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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.