Home / 132,611.76-198,917.64-49,512.24

Finding the Fourth Proportional to 132,611.76, 198,917.64 and 49,512.24

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Solution

The fourth proportional to 132,611.76, 198,917.64 and 49,512.24 is: 74,268.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,611.76 : 198,917.64 = 49,512.24 : x
  2. Step 2: Convert to fraction form
    132,611.76/198,917.64 = 49,512.24/x
  3. Step 3: Cross multiply
    132,611.76x = 198,917.64 × 49,512.24
  4. Step 4: Simplify right side
    132,611.76x = 9,848,857,931.91
  5. Step 5: Solve for x
    x = 9,848,857,931.91/132,611.76
  6. Step 6: Final answer
    x = 74,268.36

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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.