Home / 271,619.20-407,477.40-113,863.60

Finding the Fourth Proportional to 271,619.20, 407,477.40 and 113,863.60

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Solution

The fourth proportional to 271,619.20, 407,477.40 and 113,863.60 is: 170,815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,619.20 : 407,477.40 = 113,863.60 : x
  2. Step 2: Convert to fraction form
    271,619.20/407,477.40 = 113,863.60/x
  3. Step 3: Cross multiply
    271,619.20x = 407,477.40 × 113,863.60
  4. Step 4: Simplify right side
    271,619.20x = 46,396,843,682.64
  5. Step 5: Solve for x
    x = 46,396,843,682.64/271,619.20
  6. Step 6: Final answer
    x = 170,815.77

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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.