Home / 139,938.39-192,962.37-94,537.54

Finding the Fourth Proportional to 139,938.39, 192,962.37 and 94,537.54

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Solution

The fourth proportional to 139,938.39, 192,962.37 and 94,537.54 is: 130,358.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,938.39 : 192,962.37 = 94,537.54 : x
  2. Step 2: Convert to fraction form
    139,938.39/192,962.37 = 94,537.54/x
  3. Step 3: Cross multiply
    139,938.39x = 192,962.37 × 94,537.54
  4. Step 4: Simplify right side
    139,938.39x = 18,242,187,772.37
  5. Step 5: Solve for x
    x = 18,242,187,772.37/139,938.39
  6. Step 6: Final answer
    x = 130,358.71

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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.