Home / 129,422.44-194,034.84-40,624.58

Finding the Fourth Proportional to 129,422.44, 194,034.84 and 40,624.58

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Solution

The fourth proportional to 129,422.44, 194,034.84 and 40,624.58 is: 60,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,422.44 : 194,034.84 = 40,624.58 : x
  2. Step 2: Convert to fraction form
    129,422.44/194,034.84 = 40,624.58/x
  3. Step 3: Cross multiply
    129,422.44x = 194,034.84 × 40,624.58
  4. Step 4: Simplify right side
    129,422.44x = 7,882,583,880.37
  5. Step 5: Solve for x
    x = 7,882,583,880.37/129,422.44
  6. Step 6: Final answer
    x = 60,905.85

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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.