Home / 132,140.92-198,241.64-57,273.64

Finding the Fourth Proportional to 132,140.92, 198,241.64 and 57,273.64

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Solution

The fourth proportional to 132,140.92, 198,241.64 and 57,273.64 is: 85,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,140.92 : 198,241.64 = 57,273.64 : x
  2. Step 2: Convert to fraction form
    132,140.92/198,241.64 = 57,273.64/x
  3. Step 3: Cross multiply
    132,140.92x = 198,241.64 × 57,273.64
  4. Step 4: Simplify right side
    132,140.92x = 11,354,020,322.37
  5. Step 5: Solve for x
    x = 11,354,020,322.37/132,140.92
  6. Step 6: Final answer
    x = 85,923.58

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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.