Home / 127,601.66-191,273.82-80,250.59

Finding the Fourth Proportional to 127,601.66, 191,273.82 and 80,250.59

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Solution

The fourth proportional to 127,601.66, 191,273.82 and 80,250.59 is: 120,294.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,601.66 : 191,273.82 = 80,250.59 : x
  2. Step 2: Convert to fraction form
    127,601.66/191,273.82 = 80,250.59/x
  3. Step 3: Cross multiply
    127,601.66x = 191,273.82 × 80,250.59
  4. Step 4: Simplify right side
    127,601.66x = 15,349,836,906.55
  5. Step 5: Solve for x
    x = 15,349,836,906.55/127,601.66
  6. Step 6: Final answer
    x = 120,294.96

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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.