Home / 118,868.26-164,055-73,560.84

Finding the Fourth Proportional to 118,868.26, 164,055 and 73,560.84

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Solution

The fourth proportional to 118,868.26, 164,055 and 73,560.84 is: 101,524.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,868.26 : 164,055 = 73,560.84 : x
  2. Step 2: Convert to fraction form
    118,868.26/164,055 = 73,560.84/x
  3. Step 3: Cross multiply
    118,868.26x = 164,055 × 73,560.84
  4. Step 4: Simplify right side
    118,868.26x = 12,068,022,785.93
  5. Step 5: Solve for x
    x = 12,068,022,785.93/118,868.26
  6. Step 6: Final answer
    x = 101,524.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.