Home / 197,643.44-272,747.61-106,999.37

Finding the Fourth Proportional to 197,643.44, 272,747.61 and 106,999.37

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Solution

The fourth proportional to 197,643.44, 272,747.61 and 106,999.37 is: 147,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,643.44 : 272,747.61 = 106,999.37 : x
  2. Step 2: Convert to fraction form
    197,643.44/272,747.61 = 106,999.37/x
  3. Step 3: Cross multiply
    197,643.44x = 272,747.61 × 106,999.37
  4. Step 4: Simplify right side
    197,643.44x = 29,183,822,439.01
  5. Step 5: Solve for x
    x = 29,183,822,439.01/197,643.44
  6. Step 6: Final answer
    x = 147,658.95

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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.