Home / 198,480.67-273,946.63-122,065.51

Finding the Fourth Proportional to 198,480.67, 273,946.63 and 122,065.51

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Solution

The fourth proportional to 198,480.67, 273,946.63 and 122,065.51 is: 168,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,480.67 : 273,946.63 = 122,065.51 : x
  2. Step 2: Convert to fraction form
    198,480.67/273,946.63 = 122,065.51/x
  3. Step 3: Cross multiply
    198,480.67x = 273,946.63 × 122,065.51
  4. Step 4: Simplify right side
    198,480.67x = 33,439,434,724.03
  5. Step 5: Solve for x
    x = 33,439,434,724.03/198,480.67
  6. Step 6: Final answer
    x = 168,477.03

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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.