Home / 197,632.43-272,732.44-106,988.37

Finding the Fourth Proportional to 197,632.43, 272,732.44 and 106,988.37

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Solution

The fourth proportional to 197,632.43, 272,732.44 and 106,988.37 is: 147,643.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,632.43 : 272,732.44 = 106,988.37 : x
  2. Step 2: Convert to fraction form
    197,632.43/272,732.44 = 106,988.37/x
  3. Step 3: Cross multiply
    197,632.43x = 272,732.44 × 106,988.37
  4. Step 4: Simplify right side
    197,632.43x = 29,179,199,201.72
  5. Step 5: Solve for x
    x = 29,179,199,201.72/197,632.43
  6. Step 6: Final answer
    x = 147,643.78

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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.