Home / 271,705.24-407,426.78-113,891.32

Finding the Fourth Proportional to 271,705.24, 407,426.78 and 113,891.32

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Solution

The fourth proportional to 271,705.24, 407,426.78 and 113,891.32 is: 170,782.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,705.24 : 407,426.78 = 113,891.32 : x
  2. Step 2: Convert to fraction form
    271,705.24/407,426.78 = 113,891.32/x
  3. Step 3: Cross multiply
    271,705.24x = 407,426.78 × 113,891.32
  4. Step 4: Simplify right side
    271,705.24x = 46,402,373,777.55
  5. Step 5: Solve for x
    x = 46,402,373,777.55/271,705.24
  6. Step 6: Final answer
    x = 170,782.03

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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.