Home / 129,436.20-194,182.02-73,302.84

Finding the Fourth Proportional to 129,436.20, 194,182.02 and 73,302.84

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Solution

The fourth proportional to 129,436.20, 194,182.02 and 73,302.84 is: 109,969.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,436.20 : 194,182.02 = 73,302.84 : x
  2. Step 2: Convert to fraction form
    129,436.20/194,182.02 = 73,302.84/x
  3. Step 3: Cross multiply
    129,436.20x = 194,182.02 × 73,302.84
  4. Step 4: Simplify right side
    129,436.20x = 14,234,093,542.94
  5. Step 5: Solve for x
    x = 14,234,093,542.94/129,436.20
  6. Step 6: Final answer
    x = 109,969.96

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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.