Home / 417,977.91-626,769.27-161,930.43

Finding the Fourth Proportional to 417,977.91, 626,769.27 and 161,930.43

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Solution

The fourth proportional to 417,977.91, 626,769.27 and 161,930.43 is: 242,819.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,977.91 : 626,769.27 = 161,930.43 : x
  2. Step 2: Convert to fraction form
    417,977.91/626,769.27 = 161,930.43/x
  3. Step 3: Cross multiply
    417,977.91x = 626,769.27 × 161,930.43
  4. Step 4: Simplify right side
    417,977.91x = 101,493,017,401.89
  5. Step 5: Solve for x
    x = 101,493,017,401.89/417,977.91
  6. Step 6: Final answer
    x = 242,819.09

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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.