Home / 351,513.72-527,161.50-126,845.04

Finding the Fourth Proportional to 351,513.72, 527,161.50 and 126,845.04

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Solution

The fourth proportional to 351,513.72, 527,161.50 and 126,845.04 is: 190,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,513.72 : 527,161.50 = 126,845.04 : x
  2. Step 2: Convert to fraction form
    351,513.72/527,161.50 = 126,845.04/x
  3. Step 3: Cross multiply
    351,513.72x = 527,161.50 × 126,845.04
  4. Step 4: Simplify right side
    351,513.72x = 66,867,821,553.96
  5. Step 5: Solve for x
    x = 66,867,821,553.96/351,513.72
  6. Step 6: Final answer
    x = 190,228.20

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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.