Home / 197,791.70-272,953.37-107,147.66

Finding the Fourth Proportional to 197,791.70, 272,953.37 and 107,147.66

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Solution

The fourth proportional to 197,791.70, 272,953.37 and 107,147.66 is: 147,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,791.70 : 272,953.37 = 107,147.66 : x
  2. Step 2: Convert to fraction form
    197,791.70/272,953.37 = 107,147.66/x
  3. Step 3: Cross multiply
    197,791.70x = 272,953.37 × 107,147.66
  4. Step 4: Simplify right side
    197,791.70x = 29,246,314,884.61
  5. Step 5: Solve for x
    x = 29,246,314,884.61/197,791.70
  6. Step 6: Final answer
    x = 147,864.22

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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.