Home / 436,911.20-655,621.55-184,176.21

Finding the Fourth Proportional to 436,911.20, 655,621.55 and 184,176.21

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Solution

The fourth proportional to 436,911.20, 655,621.55 and 184,176.21 is: 276,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,911.20 : 655,621.55 = 184,176.21 : x
  2. Step 2: Convert to fraction form
    436,911.20/655,621.55 = 184,176.21/x
  3. Step 3: Cross multiply
    436,911.20x = 655,621.55 × 184,176.21
  4. Step 4: Simplify right side
    436,911.20x = 120,749,891,352.44
  5. Step 5: Solve for x
    x = 120,749,891,352.44/436,911.20
  6. Step 6: Final answer
    x = 276,371.70

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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.