Home / 197,654.40-272,761.02-107,007.96

Finding the Fourth Proportional to 197,654.40, 272,761.02 and 107,007.96

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Solution

The fourth proportional to 197,654.40, 272,761.02 and 107,007.96 is: 147,669.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,654.40 : 272,761.02 = 107,007.96 : x
  2. Step 2: Convert to fraction form
    197,654.40/272,761.02 = 107,007.96/x
  3. Step 3: Cross multiply
    197,654.40x = 272,761.02 × 107,007.96
  4. Step 4: Simplify right side
    197,654.40x = 29,187,600,317.72
  5. Step 5: Solve for x
    x = 29,187,600,317.72/197,654.40
  6. Step 6: Final answer
    x = 147,669.87

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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.