Home / 367,669.06-551,379.58-139,910.62

Finding the Fourth Proportional to 367,669.06, 551,379.58 and 139,910.62

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Solution

The fourth proportional to 367,669.06, 551,379.58 and 139,910.62 is: 209,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,669.06 : 551,379.58 = 139,910.62 : x
  2. Step 2: Convert to fraction form
    367,669.06/551,379.58 = 139,910.62/x
  3. Step 3: Cross multiply
    367,669.06x = 551,379.58 × 139,910.62
  4. Step 4: Simplify right side
    367,669.06x = 77,143,858,893.14
  5. Step 5: Solve for x
    x = 77,143,858,893.14/367,669.06
  6. Step 6: Final answer
    x = 209,818.74

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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.