Home / 271,621.40-407,577.90-113,865.80

Finding the Fourth Proportional to 271,621.40, 407,577.90 and 113,865.80

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Solution

The fourth proportional to 271,621.40, 407,577.90 and 113,865.80 is: 170,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,621.40 : 407,577.90 = 113,865.80 : x
  2. Step 2: Convert to fraction form
    271,621.40/407,577.90 = 113,865.80/x
  3. Step 3: Cross multiply
    271,621.40x = 407,577.90 × 113,865.80
  4. Step 4: Simplify right side
    271,621.40x = 46,409,183,645.82
  5. Step 5: Solve for x
    x = 46,409,183,645.82/271,621.40
  6. Step 6: Final answer
    x = 170,859.82

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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.