Home / 127,924.38-191,887.05-39,177.54

Finding the Fourth Proportional to 127,924.38, 191,887.05 and 39,177.54

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Solution

The fourth proportional to 127,924.38, 191,887.05 and 39,177.54 is: 58,766.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,924.38 : 191,887.05 = 39,177.54 : x
  2. Step 2: Convert to fraction form
    127,924.38/191,887.05 = 39,177.54/x
  3. Step 3: Cross multiply
    127,924.38x = 191,887.05 × 39,177.54
  4. Step 4: Simplify right side
    127,924.38x = 7,517,662,576.86
  5. Step 5: Solve for x
    x = 7,517,662,576.86/127,924.38
  6. Step 6: Final answer
    x = 58,766.46

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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.