Home / 198,441.60-273,844.80-113,577.60

Finding the Fourth Proportional to 198,441.60, 273,844.80 and 113,577.60

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Solution

The fourth proportional to 198,441.60, 273,844.80 and 113,577.60 is: 156,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,441.60 : 273,844.80 = 113,577.60 : x
  2. Step 2: Convert to fraction form
    198,441.60/273,844.80 = 113,577.60/x
  3. Step 3: Cross multiply
    198,441.60x = 273,844.80 × 113,577.60
  4. Step 4: Simplify right side
    198,441.60x = 31,102,635,156.48
  5. Step 5: Solve for x
    x = 31,102,635,156.48/198,441.60
  6. Step 6: Final answer
    x = 156,734.45

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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.