Home / 129,932.37-194,898.20-50,991.39

Finding the Fourth Proportional to 129,932.37, 194,898.20 and 50,991.39

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Solution

The fourth proportional to 129,932.37, 194,898.20 and 50,991.39 is: 76,486.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,932.37 : 194,898.20 = 50,991.39 : x
  2. Step 2: Convert to fraction form
    129,932.37/194,898.20 = 50,991.39/x
  3. Step 3: Cross multiply
    129,932.37x = 194,898.20 × 50,991.39
  4. Step 4: Simplify right side
    129,932.37x = 9,938,129,871.54
  5. Step 5: Solve for x
    x = 9,938,129,871.54/129,932.37
  6. Step 6: Final answer
    x = 76,486.94

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1.5x scale

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.