Home / 198,504.09-273,904.81-117,929.54

Finding the Fourth Proportional to 198,504.09, 273,904.81 and 117,929.54

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Solution

The fourth proportional to 198,504.09, 273,904.81 and 117,929.54 is: 162,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,504.09 : 273,904.81 = 117,929.54 : x
  2. Step 2: Convert to fraction form
    198,504.09/273,904.81 = 117,929.54/x
  3. Step 3: Cross multiply
    198,504.09x = 273,904.81 × 117,929.54
  4. Step 4: Simplify right side
    198,504.09x = 32,301,468,637.03
  5. Step 5: Solve for x
    x = 32,301,468,637.03/198,504.09
  6. Step 6: Final answer
    x = 162,724.45

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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.