Home / 197,644.61-272,747.61-106,998.18

Finding the Fourth Proportional to 197,644.61, 272,747.61 and 106,998.18

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Solution

The fourth proportional to 197,644.61, 272,747.61 and 106,998.18 is: 147,656.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,644.61 : 272,747.61 = 106,998.18 : x
  2. Step 2: Convert to fraction form
    197,644.61/272,747.61 = 106,998.18/x
  3. Step 3: Cross multiply
    197,644.61x = 272,747.61 × 106,998.18
  4. Step 4: Simplify right side
    197,644.61x = 29,183,497,869.35
  5. Step 5: Solve for x
    x = 29,183,497,869.35/197,644.61
  6. Step 6: Final answer
    x = 147,656.43

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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.