Home / 272,942.80-409,414.20-193,627.60

Finding the Fourth Proportional to 272,942.80, 409,414.20 and 193,627.60

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Solution

The fourth proportional to 272,942.80, 409,414.20 and 193,627.60 is: 290,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,942.80 : 409,414.20 = 193,627.60 : x
  2. Step 2: Convert to fraction form
    272,942.80/409,414.20 = 193,627.60/x
  3. Step 3: Cross multiply
    272,942.80x = 409,414.20 × 193,627.60
  4. Step 4: Simplify right side
    272,942.80x = 79,273,888,951.92
  5. Step 5: Solve for x
    x = 79,273,888,951.92/272,942.80
  6. Step 6: Final answer
    x = 290,441.40

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1.5x scale

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.