Home / 198,583.82-273,858.90-153,190.02

Finding the Fourth Proportional to 198,583.82, 273,858.90 and 153,190.02

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Solution

The fourth proportional to 198,583.82, 273,858.90 and 153,190.02 is: 211,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,583.82 : 273,858.90 = 153,190.02 : x
  2. Step 2: Convert to fraction form
    198,583.82/273,858.90 = 153,190.02/x
  3. Step 3: Cross multiply
    198,583.82x = 273,858.90 × 153,190.02
  4. Step 4: Simplify right side
    198,583.82x = 41,952,450,368.18
  5. Step 5: Solve for x
    x = 41,952,450,368.18/198,583.82
  6. Step 6: Final answer
    x = 211,258.15

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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.