Home / 139,956-193,208.23-96,968.09

Finding the Fourth Proportional to 139,956, 193,208.23 and 96,968.09

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Solution

The fourth proportional to 139,956, 193,208.23 and 96,968.09 is: 133,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,956 : 193,208.23 = 96,968.09 : x
  2. Step 2: Convert to fraction form
    139,956/193,208.23 = 96,968.09/x
  3. Step 3: Cross multiply
    139,956x = 193,208.23 × 96,968.09
  4. Step 4: Simplify right side
    139,956x = 18,735,032,190.55
  5. Step 5: Solve for x
    x = 18,735,032,190.55/139,956
  6. Step 6: Final answer
    x = 133,863.73

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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.