Home / 199,289.10-298,933.65-132,512.70

Finding the Fourth Proportional to 199,289.10, 298,933.65 and 132,512.70

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Solution

The fourth proportional to 199,289.10, 298,933.65 and 132,512.70 is: 198,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,289.10 : 298,933.65 = 132,512.70 : x
  2. Step 2: Convert to fraction form
    199,289.10/298,933.65 = 132,512.70/x
  3. Step 3: Cross multiply
    199,289.10x = 298,933.65 × 132,512.70
  4. Step 4: Simplify right side
    199,289.10x = 39,612,505,082.36
  5. Step 5: Solve for x
    x = 39,612,505,082.36/199,289.10
  6. Step 6: Final answer
    x = 198,769.05

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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.