Home / 166,640.58-249,794.70-107,517.77

Finding the Fourth Proportional to 166,640.58, 249,794.70 and 107,517.77

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Solution

The fourth proportional to 166,640.58, 249,794.70 and 107,517.77 is: 161,169.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,640.58 : 249,794.70 = 107,517.77 : x
  2. Step 2: Convert to fraction form
    166,640.58/249,794.70 = 107,517.77/x
  3. Step 3: Cross multiply
    166,640.58x = 249,794.70 × 107,517.77
  4. Step 4: Simplify right side
    166,640.58x = 26,857,367,852.85
  5. Step 5: Solve for x
    x = 26,857,367,852.85/166,640.58
  6. Step 6: Final answer
    x = 161,169.43

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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.