Home / 129,840.69-194,643.50-50,933.73

Finding the Fourth Proportional to 129,840.69, 194,643.50 and 50,933.73

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Solution

The fourth proportional to 129,840.69, 194,643.50 and 50,933.73 is: 76,354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,840.69 : 194,643.50 = 50,933.73 : x
  2. Step 2: Convert to fraction form
    129,840.69/194,643.50 = 50,933.73/x
  3. Step 3: Cross multiply
    129,840.69x = 194,643.50 × 50,933.73
  4. Step 4: Simplify right side
    129,840.69x = 9,913,919,220.59
  5. Step 5: Solve for x
    x = 9,913,919,220.59/129,840.69
  6. Step 6: Final answer
    x = 76,354.49

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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.