Home / 223,078.71-334,212.09-199,163.85

Finding the Fourth Proportional to 223,078.71, 334,212.09 and 199,163.85

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Solution

The fourth proportional to 223,078.71, 334,212.09 and 199,163.85 is: 298,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,078.71 : 334,212.09 = 199,163.85 : x
  2. Step 2: Convert to fraction form
    223,078.71/334,212.09 = 199,163.85/x
  3. Step 3: Cross multiply
    223,078.71x = 334,212.09 × 199,163.85
  4. Step 4: Simplify right side
    223,078.71x = 66,562,966,560.95
  5. Step 5: Solve for x
    x = 66,562,966,560.95/223,078.71
  6. Step 6: Final answer
    x = 298,383.32

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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.