Home / 189,164.11-261,046.47-108,596.85

Finding the Fourth Proportional to 189,164.11, 261,046.47 and 108,596.85

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Solution

The fourth proportional to 189,164.11, 261,046.47 and 108,596.85 is: 149,863.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,164.11 : 261,046.47 = 108,596.85 : x
  2. Step 2: Convert to fraction form
    189,164.11/261,046.47 = 108,596.85/x
  3. Step 3: Cross multiply
    189,164.11x = 261,046.47 × 108,596.85
  4. Step 4: Simplify right side
    189,164.11x = 28,348,824,936.89
  5. Step 5: Solve for x
    x = 28,348,824,936.89/189,164.11
  6. Step 6: Final answer
    x = 149,863.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.