Home / 197,736.51-272,874.83-107,090.39

Finding the Fourth Proportional to 197,736.51, 272,874.83 and 107,090.39

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Solution

The fourth proportional to 197,736.51, 272,874.83 and 107,090.39 is: 147,783.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,736.51 : 272,874.83 = 107,090.39 : x
  2. Step 2: Convert to fraction form
    197,736.51/272,874.83 = 107,090.39/x
  3. Step 3: Cross multiply
    197,736.51x = 272,874.83 × 107,090.39
  4. Step 4: Simplify right side
    197,736.51x = 29,222,272,112.62
  5. Step 5: Solve for x
    x = 29,222,272,112.62/197,736.51
  6. Step 6: Final answer
    x = 147,783.89

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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.