Home / 197,805.59-272,971.82-107,162.18

Finding the Fourth Proportional to 197,805.59, 272,971.82 and 107,162.18

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Solution

The fourth proportional to 197,805.59, 272,971.82 and 107,162.18 is: 147,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,805.59 : 272,971.82 = 107,162.18 : x
  2. Step 2: Convert to fraction form
    197,805.59/272,971.82 = 107,162.18/x
  3. Step 3: Cross multiply
    197,805.59x = 272,971.82 × 107,162.18
  4. Step 4: Simplify right side
    197,805.59x = 29,252,256,004.19
  5. Step 5: Solve for x
    x = 29,252,256,004.19/197,805.59
  6. Step 6: Final answer
    x = 147,883.87

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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.