Home / 131,993.14-182,161.05-74,644.54

Finding the Fourth Proportional to 131,993.14, 182,161.05 and 74,644.54

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Solution

The fourth proportional to 131,993.14, 182,161.05 and 74,644.54 is: 103,015.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,993.14 : 182,161.05 = 74,644.54 : x
  2. Step 2: Convert to fraction form
    131,993.14/182,161.05 = 74,644.54/x
  3. Step 3: Cross multiply
    131,993.14x = 182,161.05 × 74,644.54
  4. Step 4: Simplify right side
    131,993.14x = 13,597,327,783.17
  5. Step 5: Solve for x
    x = 13,597,327,783.17/131,993.14
  6. Step 6: Final answer
    x = 103,015.41

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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.