Home / 198,431.01-273,858.71-113,546.25

Finding the Fourth Proportional to 198,431.01, 273,858.71 and 113,546.25

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Solution

The fourth proportional to 198,431.01, 273,858.71 and 113,546.25 is: 156,707.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,431.01 : 273,858.71 = 113,546.25 : x
  2. Step 2: Convert to fraction form
    198,431.01/273,858.71 = 113,546.25/x
  3. Step 3: Cross multiply
    198,431.01x = 273,858.71 × 113,546.25
  4. Step 4: Simplify right side
    198,431.01x = 31,095,628,982.61
  5. Step 5: Solve for x
    x = 31,095,628,982.61/198,431.01
  6. Step 6: Final answer
    x = 156,707.51

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1.5x scale

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.