Home / 209,049.53-288,576.68-141,158.43

Finding the Fourth Proportional to 209,049.53, 288,576.68 and 141,158.43

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Solution

The fourth proportional to 209,049.53, 288,576.68 and 141,158.43 is: 194,858.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,049.53 : 288,576.68 = 141,158.43 : x
  2. Step 2: Convert to fraction form
    209,049.53/288,576.68 = 141,158.43/x
  3. Step 3: Cross multiply
    209,049.53x = 288,576.68 × 141,158.43
  4. Step 4: Simplify right side
    209,049.53x = 40,735,030,377.62
  5. Step 5: Solve for x
    x = 40,735,030,377.62/209,049.53
  6. Step 6: Final answer
    x = 194,858.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.