Home / 165,015.32-247,483.30-76,183.48

Finding the Fourth Proportional to 165,015.32, 247,483.30 and 76,183.48

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Solution

The fourth proportional to 165,015.32, 247,483.30 and 76,183.48 is: 114,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,015.32 : 247,483.30 = 76,183.48 : x
  2. Step 2: Convert to fraction form
    165,015.32/247,483.30 = 76,183.48/x
  3. Step 3: Cross multiply
    165,015.32x = 247,483.30 × 76,183.48
  4. Step 4: Simplify right side
    165,015.32x = 18,854,139,035.88
  5. Step 5: Solve for x
    x = 18,854,139,035.88/165,015.32
  6. Step 6: Final answer
    x = 114,256.90

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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.