Home / 271,434.22-407,187.17-100,632.35

Finding the Fourth Proportional to 271,434.22, 407,187.17 and 100,632.35

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Solution

The fourth proportional to 271,434.22, 407,187.17 and 100,632.35 is: 150,961.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,434.22 : 407,187.17 = 100,632.35 : x
  2. Step 2: Convert to fraction form
    271,434.22/407,187.17 = 100,632.35/x
  3. Step 3: Cross multiply
    271,434.22x = 407,187.17 × 100,632.35
  4. Step 4: Simplify right side
    271,434.22x = 40,976,201,806.95
  5. Step 5: Solve for x
    x = 40,976,201,806.95/271,434.22
  6. Step 6: Final answer
    x = 150,961.81

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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.