Home / 197,192-272,131.68-107,773.76

Finding the Fourth Proportional to 197,192, 272,131.68 and 107,773.76

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Solution

The fourth proportional to 197,192, 272,131.68 and 107,773.76 is: 148,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,192 : 272,131.68 = 107,773.76 : x
  2. Step 2: Convert to fraction form
    197,192/272,131.68 = 107,773.76/x
  3. Step 3: Cross multiply
    197,192x = 272,131.68 × 107,773.76
  4. Step 4: Simplify right side
    197,192x = 29,328,654,368.72
  5. Step 5: Solve for x
    x = 29,328,654,368.72/197,192
  6. Step 6: Final answer
    x = 148,731.46

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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.