Home / 197,647.43-272,753.55-107,003.41

Finding the Fourth Proportional to 197,647.43, 272,753.55 and 107,003.41

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Solution

The fourth proportional to 197,647.43, 272,753.55 and 107,003.41 is: 147,664.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,647.43 : 272,753.55 = 107,003.41 : x
  2. Step 2: Convert to fraction form
    197,647.43/272,753.55 = 107,003.41/x
  3. Step 3: Cross multiply
    197,647.43x = 272,753.55 × 107,003.41
  4. Step 4: Simplify right side
    197,647.43x = 29,185,559,257.72
  5. Step 5: Solve for x
    x = 29,185,559,257.72/197,647.43
  6. Step 6: Final answer
    x = 147,664.76

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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.