Home / 198,362.58-273,662.49-113,434.08

Finding the Fourth Proportional to 198,362.58, 273,662.49 and 113,434.08

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Solution

The fourth proportional to 198,362.58, 273,662.49 and 113,434.08 is: 156,494.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,362.58 : 273,662.49 = 113,434.08 : x
  2. Step 2: Convert to fraction form
    198,362.58/273,662.49 = 113,434.08/x
  3. Step 3: Cross multiply
    198,362.58x = 273,662.49 × 113,434.08
  4. Step 4: Simplify right side
    198,362.58x = 31,042,652,783.66
  5. Step 5: Solve for x
    x = 31,042,652,783.66/198,362.58
  6. Step 6: Final answer
    x = 156,494.50

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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.