Home / 140,548.62-193,958.80-76,885.04

Finding the Fourth Proportional to 140,548.62, 193,958.80 and 76,885.04

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Solution

The fourth proportional to 140,548.62, 193,958.80 and 76,885.04 is: 106,102.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,548.62 : 193,958.80 = 76,885.04 : x
  2. Step 2: Convert to fraction form
    140,548.62/193,958.80 = 76,885.04/x
  3. Step 3: Cross multiply
    140,548.62x = 193,958.80 × 76,885.04
  4. Step 4: Simplify right side
    140,548.62x = 14,912,530,096.35
  5. Step 5: Solve for x
    x = 14,912,530,096.35/140,548.62
  6. Step 6: Final answer
    x = 106,102.29

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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.