Home / 271,827.45-407,709.48-72,163.35

Finding the Fourth Proportional to 271,827.45, 407,709.48 and 72,163.35

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Solution

The fourth proportional to 271,827.45, 407,709.48 and 72,163.35 is: 108,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,827.45 : 407,709.48 = 72,163.35 : x
  2. Step 2: Convert to fraction form
    271,827.45/407,709.48 = 72,163.35/x
  3. Step 3: Cross multiply
    271,827.45x = 407,709.48 × 72,163.35
  4. Step 4: Simplify right side
    271,827.45x = 29,421,681,903.56
  5. Step 5: Solve for x
    x = 29,421,681,903.56/271,827.45
  6. Step 6: Final answer
    x = 108,236.61

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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.