Home / 121,198.54-181,806.10-41,203.94

Finding the Fourth Proportional to 121,198.54, 181,806.10 and 41,203.94

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Solution

The fourth proportional to 121,198.54, 181,806.10 and 41,203.94 is: 61,808.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,198.54 : 181,806.10 = 41,203.94 : x
  2. Step 2: Convert to fraction form
    121,198.54/181,806.10 = 41,203.94/x
  3. Step 3: Cross multiply
    121,198.54x = 181,806.10 × 41,203.94
  4. Step 4: Simplify right side
    121,198.54x = 7,491,127,636.03
  5. Step 5: Solve for x
    x = 7,491,127,636.03/121,198.54
  6. Step 6: Final answer
    x = 61,808.73

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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.