Home / 197,654.37-272,761.05-107,007.93

Finding the Fourth Proportional to 197,654.37, 272,761.05 and 107,007.93

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Solution

The fourth proportional to 197,654.37, 272,761.05 and 107,007.93 is: 147,669.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,654.37 : 272,761.05 = 107,007.93 : x
  2. Step 2: Convert to fraction form
    197,654.37/272,761.05 = 107,007.93/x
  3. Step 3: Cross multiply
    197,654.37x = 272,761.05 × 107,007.93
  4. Step 4: Simplify right side
    197,654.37x = 29,187,595,345.13
  5. Step 5: Solve for x
    x = 29,187,595,345.13/197,654.37
  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.