Home / 351,143.10-484,576.25-189,997.42

Finding the Fourth Proportional to 351,143.10, 484,576.25 and 189,997.42

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Solution

The fourth proportional to 351,143.10, 484,576.25 and 189,997.42 is: 262,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,143.10 : 484,576.25 = 189,997.42 : x
  2. Step 2: Convert to fraction form
    351,143.10/484,576.25 = 189,997.42/x
  3. Step 3: Cross multiply
    351,143.10x = 484,576.25 × 189,997.42
  4. Step 4: Simplify right side
    351,143.10x = 92,068,237,937.67
  5. Step 5: Solve for x
    x = 92,068,237,937.67/351,143.10
  6. Step 6: Final answer
    x = 262,195.78

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1.5x scale

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.