Home / 300,922.84-451,414.04-111,433.76

Finding the Fourth Proportional to 300,922.84, 451,414.04 and 111,433.76

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Solution

The fourth proportional to 300,922.84, 451,414.04 and 111,433.76 is: 167,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,922.84 : 451,414.04 = 111,433.76 : x
  2. Step 2: Convert to fraction form
    300,922.84/451,414.04 = 111,433.76/x
  3. Step 3: Cross multiply
    300,922.84x = 451,414.04 × 111,433.76
  4. Step 4: Simplify right side
    300,922.84x = 50,302,763,793.99
  5. Step 5: Solve for x
    x = 50,302,763,793.99/300,922.84
  6. Step 6: Final answer
    x = 167,161.67

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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.