Home / 274,895.20-412,353.69-130,766.40

Finding the Fourth Proportional to 274,895.20, 412,353.69 and 130,766.40

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Solution

The fourth proportional to 274,895.20, 412,353.69 and 130,766.40 is: 196,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,895.20 : 412,353.69 = 130,766.40 : x
  2. Step 2: Convert to fraction form
    274,895.20/412,353.69 = 130,766.40/x
  3. Step 3: Cross multiply
    274,895.20x = 412,353.69 × 130,766.40
  4. Step 4: Simplify right side
    274,895.20x = 53,922,007,568.02
  5. Step 5: Solve for x
    x = 53,922,007,568.02/274,895.20
  6. Step 6: Final answer
    x = 196,154.78

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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.