Home / 129,693.14-194,559.83-54,813.60

Finding the Fourth Proportional to 129,693.14, 194,559.83 and 54,813.60

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Solution

The fourth proportional to 129,693.14, 194,559.83 and 54,813.60 is: 82,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,693.14 : 194,559.83 = 54,813.60 : x
  2. Step 2: Convert to fraction form
    129,693.14/194,559.83 = 54,813.60/x
  3. Step 3: Cross multiply
    129,693.14x = 194,559.83 × 54,813.60
  4. Step 4: Simplify right side
    129,693.14x = 10,664,524,423.62
  5. Step 5: Solve for x
    x = 10,664,524,423.62/129,693.14
  6. Step 6: Final answer
    x = 82,228.90

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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.