Home / 165,015.50-247,483.60-76,183.66

Finding the Fourth Proportional to 165,015.50, 247,483.60 and 76,183.66

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Solution

The fourth proportional to 165,015.50, 247,483.60 and 76,183.66 is: 114,257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,015.50 : 247,483.60 = 76,183.66 : x
  2. Step 2: Convert to fraction form
    165,015.50/247,483.60 = 76,183.66/x
  3. Step 3: Cross multiply
    165,015.50x = 247,483.60 × 76,183.66
  4. Step 4: Simplify right side
    165,015.50x = 18,854,206,437.98
  5. Step 5: Solve for x
    x = 18,854,206,437.98/165,015.50
  6. Step 6: Final answer
    x = 114,257.18

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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.