Home / 271,729.44-407,438.64-113,824.80

Finding the Fourth Proportional to 271,729.44, 407,438.64 and 113,824.80

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Solution

The fourth proportional to 271,729.44, 407,438.64 and 113,824.80 is: 170,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,729.44 : 407,438.64 = 113,824.80 : x
  2. Step 2: Convert to fraction form
    271,729.44/407,438.64 = 113,824.80/x
  3. Step 3: Cross multiply
    271,729.44x = 407,438.64 × 113,824.80
  4. Step 4: Simplify right side
    271,729.44x = 46,376,621,710.27
  5. Step 5: Solve for x
    x = 46,376,621,710.27/271,729.44
  6. Step 6: Final answer
    x = 170,672.05

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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.