Home / 460,671.08-691,105.03-161,161.43

Finding the Fourth Proportional to 460,671.08, 691,105.03 and 161,161.43

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Solution

The fourth proportional to 460,671.08, 691,105.03 and 161,161.43 is: 241,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,671.08 : 691,105.03 = 161,161.43 : x
  2. Step 2: Convert to fraction form
    460,671.08/691,105.03 = 161,161.43/x
  3. Step 3: Cross multiply
    460,671.08x = 691,105.03 × 161,161.43
  4. Step 4: Simplify right side
    460,671.08x = 111,379,474,914.99
  5. Step 5: Solve for x
    x = 111,379,474,914.99/460,671.08
  6. Step 6: Final answer
    x = 241,776.57

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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.