Home / 289,093.05-433,563.03-131,286.42

Finding the Fourth Proportional to 289,093.05, 433,563.03 and 131,286.42

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Solution

The fourth proportional to 289,093.05, 433,563.03 and 131,286.42 is: 196,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,093.05 : 433,563.03 = 131,286.42 : x
  2. Step 2: Convert to fraction form
    289,093.05/433,563.03 = 131,286.42/x
  3. Step 3: Cross multiply
    289,093.05x = 433,563.03 × 131,286.42
  4. Step 4: Simplify right side
    289,093.05x = 56,920,938,053.05
  5. Step 5: Solve for x
    x = 56,920,938,053.05/289,093.05
  6. Step 6: Final answer
    x = 196,894.87

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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.