Home / 197,489.20-296,233.80-126,630.40

Finding the Fourth Proportional to 197,489.20, 296,233.80 and 126,630.40

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Solution

The fourth proportional to 197,489.20, 296,233.80 and 126,630.40 is: 189,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,489.20 : 296,233.80 = 126,630.40 : x
  2. Step 2: Convert to fraction form
    197,489.20/296,233.80 = 126,630.40/x
  3. Step 3: Cross multiply
    197,489.20x = 296,233.80 × 126,630.40
  4. Step 4: Simplify right side
    197,489.20x = 37,512,204,587.52
  5. Step 5: Solve for x
    x = 37,512,204,587.52/197,489.20
  6. Step 6: Final answer
    x = 189,945.60

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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.