Home / 197,656.43-272,765.97-107,012.39

Finding the Fourth Proportional to 197,656.43, 272,765.97 and 107,012.39

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Solution

The fourth proportional to 197,656.43, 272,765.97 and 107,012.39 is: 147,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,656.43 : 272,765.97 = 107,012.39 : x
  2. Step 2: Convert to fraction form
    197,656.43/272,765.97 = 107,012.39/x
  3. Step 3: Cross multiply
    197,656.43x = 272,765.97 × 107,012.39
  4. Step 4: Simplify right side
    197,656.43x = 29,189,336,996.54
  5. Step 5: Solve for x
    x = 29,189,336,996.54/197,656.43
  6. Step 6: Final answer
    x = 147,677.15

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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.