Home / 165,017.58-247,193.46-76,147.62

Finding the Fourth Proportional to 165,017.58, 247,193.46 and 76,147.62

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Solution

The fourth proportional to 165,017.58, 247,193.46 and 76,147.62 is: 114,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,017.58 : 247,193.46 = 76,147.62 : x
  2. Step 2: Convert to fraction form
    165,017.58/247,193.46 = 76,147.62/x
  3. Step 3: Cross multiply
    165,017.58x = 247,193.46 × 76,147.62
  4. Step 4: Simplify right side
    165,017.58x = 18,823,193,658.57
  5. Step 5: Solve for x
    x = 18,823,193,658.57/165,017.58
  6. Step 6: Final answer
    x = 114,067.81

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1.5x scale

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.