Home / 274,895.70-412,354.44-130,766.90

Finding the Fourth Proportional to 274,895.70, 412,354.44 and 130,766.90

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Solution

The fourth proportional to 274,895.70, 412,354.44 and 130,766.90 is: 196,155.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,895.70 : 412,354.44 = 130,766.90 : x
  2. Step 2: Convert to fraction form
    274,895.70/412,354.44 = 130,766.90/x
  3. Step 3: Cross multiply
    274,895.70x = 412,354.44 × 130,766.90
  4. Step 4: Simplify right side
    274,895.70x = 53,922,311,820.04
  5. Step 5: Solve for x
    x = 53,922,311,820.04/274,895.70
  6. Step 6: Final answer
    x = 196,155.53

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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.