Home / 197,727.47-272,862.48-107,081.33

Finding the Fourth Proportional to 197,727.47, 272,862.48 and 107,081.33

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Solution

The fourth proportional to 197,727.47, 272,862.48 and 107,081.33 is: 147,771.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,727.47 : 272,862.48 = 107,081.33 : x
  2. Step 2: Convert to fraction form
    197,727.47/272,862.48 = 107,081.33/x
  3. Step 3: Cross multiply
    197,727.47x = 272,862.48 × 107,081.33
  4. Step 4: Simplify right side
    197,727.47x = 29,218,476,926.84
  5. Step 5: Solve for x
    x = 29,218,476,926.84/197,727.47
  6. Step 6: Final answer
    x = 147,771.46

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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.