Home / 133,668.45-200,816.23-126,102.64

Finding the Fourth Proportional to 133,668.45, 200,816.23 and 126,102.64

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Solution

The fourth proportional to 133,668.45, 200,816.23 and 126,102.64 is: 189,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,668.45 : 200,816.23 = 126,102.64 : x
  2. Step 2: Convert to fraction form
    133,668.45/200,816.23 = 126,102.64/x
  3. Step 3: Cross multiply
    133,668.45x = 200,816.23 × 126,102.64
  4. Step 4: Simplify right side
    133,668.45x = 25,323,456,757.85
  5. Step 5: Solve for x
    x = 25,323,456,757.85/133,668.45
  6. Step 6: Final answer
    x = 189,449.77

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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.