Home / 197,071.12-269,988.43-189,691.07

Finding the Fourth Proportional to 197,071.12, 269,988.43 and 189,691.07

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Solution

The fourth proportional to 197,071.12, 269,988.43 and 189,691.07 is: 259,877.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,071.12 : 269,988.43 = 189,691.07 : x
  2. Step 2: Convert to fraction form
    197,071.12/269,988.43 = 189,691.07/x
  3. Step 3: Cross multiply
    197,071.12x = 269,988.43 × 189,691.07
  4. Step 4: Simplify right side
    197,071.12x = 51,214,394,174.32
  5. Step 5: Solve for x
    x = 51,214,394,174.32/197,071.12
  6. Step 6: Final answer
    x = 259,877.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.