Home / 133,067.40-199,601.10-127,818.60

Finding the Fourth Proportional to 133,067.40, 199,601.10 and 127,818.60

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Solution

The fourth proportional to 133,067.40, 199,601.10 and 127,818.60 is: 191,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,067.40 : 199,601.10 = 127,818.60 : x
  2. Step 2: Convert to fraction form
    133,067.40/199,601.10 = 127,818.60/x
  3. Step 3: Cross multiply
    133,067.40x = 199,601.10 × 127,818.60
  4. Step 4: Simplify right side
    133,067.40x = 25,512,733,160.46
  5. Step 5: Solve for x
    x = 25,512,733,160.46/133,067.40
  6. Step 6: Final answer
    x = 191,727.90

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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.