Home / 139,917.96-193,087.80-82,558.44

Finding the Fourth Proportional to 139,917.96, 193,087.80 and 82,558.44

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Solution

The fourth proportional to 139,917.96, 193,087.80 and 82,558.44 is: 113,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,917.96 : 193,087.80 = 82,558.44 : x
  2. Step 2: Convert to fraction form
    139,917.96/193,087.80 = 82,558.44/x
  3. Step 3: Cross multiply
    139,917.96x = 193,087.80 × 82,558.44
  4. Step 4: Simplify right side
    139,917.96x = 15,941,027,551.03
  5. Step 5: Solve for x
    x = 15,941,027,551.03/139,917.96
  6. Step 6: Final answer
    x = 113,931.25

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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.