Home / 117,736.94-162,904.83-102,661.02

Finding the Fourth Proportional to 117,736.94, 162,904.83 and 102,661.02

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Solution

The fourth proportional to 117,736.94, 162,904.83 and 102,661.02 is: 142,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,736.94 : 162,904.83 = 102,661.02 : x
  2. Step 2: Convert to fraction form
    117,736.94/162,904.83 = 102,661.02/x
  3. Step 3: Cross multiply
    117,736.94x = 162,904.83 × 102,661.02
  4. Step 4: Simplify right side
    117,736.94x = 16,723,976,010.73
  5. Step 5: Solve for x
    x = 16,723,976,010.73/117,736.94
  6. Step 6: Final answer
    x = 142,045.27

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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.