Home / 133,622.24-200,154.48-80,144.62

Finding the Fourth Proportional to 133,622.24, 200,154.48 and 80,144.62

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Solution

The fourth proportional to 133,622.24, 200,154.48 and 80,144.62 is: 120,049.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,622.24 : 200,154.48 = 80,144.62 : x
  2. Step 2: Convert to fraction form
    133,622.24/200,154.48 = 80,144.62/x
  3. Step 3: Cross multiply
    133,622.24x = 200,154.48 × 80,144.62
  4. Step 4: Simplify right side
    133,622.24x = 16,041,304,740.90
  5. Step 5: Solve for x
    x = 16,041,304,740.90/133,622.24
  6. Step 6: Final answer
    x = 120,049.66

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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.