Home / 139,858.01-193,029.03-82,493.81

Finding the Fourth Proportional to 139,858.01, 193,029.03 and 82,493.81

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Solution

The fourth proportional to 139,858.01, 193,029.03 and 82,493.81 is: 113,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,858.01 : 193,029.03 = 82,493.81 : x
  2. Step 2: Convert to fraction form
    139,858.01/193,029.03 = 82,493.81/x
  3. Step 3: Cross multiply
    139,858.01x = 193,029.03 × 82,493.81
  4. Step 4: Simplify right side
    139,858.01x = 15,923,699,160.16
  5. Step 5: Solve for x
    x = 15,923,699,160.16/139,858.01
  6. Step 6: Final answer
    x = 113,856.19

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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.