Home / 197,633.43-272,733.82-106,989.37

Finding the Fourth Proportional to 197,633.43, 272,733.82 and 106,989.37

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Solution

The fourth proportional to 197,633.43, 272,733.82 and 106,989.37 is: 147,645.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,633.43 : 272,733.82 = 106,989.37 : x
  2. Step 2: Convert to fraction form
    197,633.43/272,733.82 = 106,989.37/x
  3. Step 3: Cross multiply
    197,633.43x = 272,733.82 × 106,989.37
  4. Step 4: Simplify right side
    197,633.43x = 29,179,619,579.49
  5. Step 5: Solve for x
    x = 29,179,619,579.49/197,633.43
  6. Step 6: Final answer
    x = 147,645.16

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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.