Home / 140,389.89-193,249.85-122,453.66

Finding the Fourth Proportional to 140,389.89, 193,249.85 and 122,453.66

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Solution

The fourth proportional to 140,389.89, 193,249.85 and 122,453.66 is: 168,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,389.89 : 193,249.85 = 122,453.66 : x
  2. Step 2: Convert to fraction form
    140,389.89/193,249.85 = 122,453.66/x
  3. Step 3: Cross multiply
    140,389.89x = 193,249.85 × 122,453.66
  4. Step 4: Simplify right side
    140,389.89x = 23,664,149,848.43
  5. Step 5: Solve for x
    x = 23,664,149,848.43/140,389.89
  6. Step 6: Final answer
    x = 168,560.21

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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.