Home / 131,921.58-182,093.13-84,174.84

Finding the Fourth Proportional to 131,921.58, 182,093.13 and 84,174.84

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Solution

The fourth proportional to 131,921.58, 182,093.13 and 84,174.84 is: 116,187.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,921.58 : 182,093.13 = 84,174.84 : x
  2. Step 2: Convert to fraction form
    131,921.58/182,093.13 = 84,174.84/x
  3. Step 3: Cross multiply
    131,921.58x = 182,093.13 × 84,174.84
  4. Step 4: Simplify right side
    131,921.58x = 15,327,660,082.85
  5. Step 5: Solve for x
    x = 15,327,660,082.85/131,921.58
  6. Step 6: Final answer
    x = 116,187.66

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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.