Home / 131,992.82-182,160.63-74,644.22

Finding the Fourth Proportional to 131,992.82, 182,160.63 and 74,644.22

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Solution

The fourth proportional to 131,992.82, 182,160.63 and 74,644.22 is: 103,014.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,992.82 : 182,160.63 = 74,644.22 : x
  2. Step 2: Convert to fraction form
    131,992.82/182,160.63 = 74,644.22/x
  3. Step 3: Cross multiply
    131,992.82x = 182,160.63 × 74,644.22
  4. Step 4: Simplify right side
    131,992.82x = 13,597,237,571.81
  5. Step 5: Solve for x
    x = 13,597,237,571.81/131,992.82
  6. Step 6: Final answer
    x = 103,014.98

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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.