Home / 200,138.45-300,244.05-94,956.44

Finding the Fourth Proportional to 200,138.45, 300,244.05 and 94,956.44

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Solution

The fourth proportional to 200,138.45, 300,244.05 and 94,956.44 is: 142,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,138.45 : 300,244.05 = 94,956.44 : x
  2. Step 2: Convert to fraction form
    200,138.45/300,244.05 = 94,956.44/x
  3. Step 3: Cross multiply
    200,138.45x = 300,244.05 × 94,956.44
  4. Step 4: Simplify right side
    200,138.45x = 28,510,104,617.96
  5. Step 5: Solve for x
    x = 28,510,104,617.96/200,138.45
  6. Step 6: Final answer
    x = 142,451.91

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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.