Home / 271,630.15-407,447.26-103,105.04

Finding the Fourth Proportional to 271,630.15, 407,447.26 and 103,105.04

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Solution

The fourth proportional to 271,630.15, 407,447.26 and 103,105.04 is: 154,658.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,630.15 : 407,447.26 = 103,105.04 : x
  2. Step 2: Convert to fraction form
    271,630.15/407,447.26 = 103,105.04/x
  3. Step 3: Cross multiply
    271,630.15x = 407,447.26 × 103,105.04
  4. Step 4: Simplify right side
    271,630.15x = 42,009,866,040.19
  5. Step 5: Solve for x
    x = 42,009,866,040.19/271,630.15
  6. Step 6: Final answer
    x = 154,658.33

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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.