Home / 198,180.36-273,450.60-117,679.32

Finding the Fourth Proportional to 198,180.36, 273,450.60 and 117,679.32

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Solution

The fourth proportional to 198,180.36, 273,450.60 and 117,679.32 is: 162,374.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,180.36 : 273,450.60 = 117,679.32 : x
  2. Step 2: Convert to fraction form
    198,180.36/273,450.60 = 117,679.32/x
  3. Step 3: Cross multiply
    198,180.36x = 273,450.60 × 117,679.32
  4. Step 4: Simplify right side
    198,180.36x = 32,179,480,661.59
  5. Step 5: Solve for x
    x = 32,179,480,661.59/198,180.36
  6. Step 6: Final answer
    x = 162,374.72

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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.