Home / 197,579.80-272,657.76-106,933.60

Finding the Fourth Proportional to 197,579.80, 272,657.76 and 106,933.60

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Solution

The fourth proportional to 197,579.80, 272,657.76 and 106,933.60 is: 147,567.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,579.80 : 272,657.76 = 106,933.60 : x
  2. Step 2: Convert to fraction form
    197,579.80/272,657.76 = 106,933.60/x
  3. Step 3: Cross multiply
    197,579.80x = 272,657.76 × 106,933.60
  4. Step 4: Simplify right side
    197,579.80x = 29,156,274,481.45
  5. Step 5: Solve for x
    x = 29,156,274,481.45/197,579.80
  6. Step 6: Final answer
    x = 147,567.09

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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.