Home / 129,796.24-194,615.52-50,815.84

Finding the Fourth Proportional to 129,796.24, 194,615.52 and 50,815.84

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Solution

The fourth proportional to 129,796.24, 194,615.52 and 50,815.84 is: 76,192.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,796.24 : 194,615.52 = 50,815.84 : x
  2. Step 2: Convert to fraction form
    129,796.24/194,615.52 = 50,815.84/x
  3. Step 3: Cross multiply
    129,796.24x = 194,615.52 × 50,815.84
  4. Step 4: Simplify right side
    129,796.24x = 9,889,551,125.84
  5. Step 5: Solve for x
    x = 9,889,551,125.84/129,796.24
  6. Step 6: Final answer
    x = 76,192.89

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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.