Home / 198,769.33-297,401.63-117,759.86

Finding the Fourth Proportional to 198,769.33, 297,401.63 and 117,759.86

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Solution

The fourth proportional to 198,769.33, 297,401.63 and 117,759.86 is: 176,194.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,769.33 : 297,401.63 = 117,759.86 : x
  2. Step 2: Convert to fraction form
    198,769.33/297,401.63 = 117,759.86/x
  3. Step 3: Cross multiply
    198,769.33x = 297,401.63 × 117,759.86
  4. Step 4: Simplify right side
    198,769.33x = 35,021,973,352.02
  5. Step 5: Solve for x
    x = 35,021,973,352.02/198,769.33
  6. Step 6: Final answer
    x = 176,194.05

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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.