Home / 203,860.66-305,767.23-54,112.59

Finding the Fourth Proportional to 203,860.66, 305,767.23 and 54,112.59

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Solution

The fourth proportional to 203,860.66, 305,767.23 and 54,112.59 is: 81,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,860.66 : 305,767.23 = 54,112.59 : x
  2. Step 2: Convert to fraction form
    203,860.66/305,767.23 = 54,112.59/x
  3. Step 3: Cross multiply
    203,860.66x = 305,767.23 × 54,112.59
  4. Step 4: Simplify right side
    203,860.66x = 16,545,855,605.80
  5. Step 5: Solve for x
    x = 16,545,855,605.80/203,860.66
  6. Step 6: Final answer
    x = 81,162.57

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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.