Home / 132,928.74-199,430.76-54,099.54

Finding the Fourth Proportional to 132,928.74, 199,430.76 and 54,099.54

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Solution

The fourth proportional to 132,928.74, 199,430.76 and 54,099.54 is: 81,164.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,928.74 : 199,430.76 = 54,099.54 : x
  2. Step 2: Convert to fraction form
    132,928.74/199,430.76 = 54,099.54/x
  3. Step 3: Cross multiply
    132,928.74x = 199,430.76 × 54,099.54
  4. Step 4: Simplify right side
    132,928.74x = 10,789,112,377.85
  5. Step 5: Solve for x
    x = 10,789,112,377.85/132,928.74
  6. Step 6: Final answer
    x = 81,164.63

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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.