Home / 129,974.96-194,972.76-50,051.60

Finding the Fourth Proportional to 129,974.96, 194,972.76 and 50,051.60

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Solution

The fourth proportional to 129,974.96, 194,972.76 and 50,051.60 is: 75,081.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,974.96 : 194,972.76 = 50,051.60 : x
  2. Step 2: Convert to fraction form
    129,974.96/194,972.76 = 50,051.60/x
  3. Step 3: Cross multiply
    129,974.96x = 194,972.76 × 50,051.60
  4. Step 4: Simplify right side
    129,974.96x = 9,758,698,594.42
  5. Step 5: Solve for x
    x = 9,758,698,594.42/129,974.96
  6. Step 6: Final answer
    x = 75,081.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.