Home / 200,246.03-300,414.05-67,122.89

Finding the Fourth Proportional to 200,246.03, 300,414.05 and 67,122.89

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Solution

The fourth proportional to 200,246.03, 300,414.05 and 67,122.89 is: 100,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,246.03 : 300,414.05 = 67,122.89 : x
  2. Step 2: Convert to fraction form
    200,246.03/300,414.05 = 67,122.89/x
  3. Step 3: Cross multiply
    200,246.03x = 300,414.05 × 67,122.89
  4. Step 4: Simplify right side
    200,246.03x = 20,164,659,232.60
  5. Step 5: Solve for x
    x = 20,164,659,232.60/200,246.03
  6. Step 6: Final answer
    x = 100,699.42

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1.5x scale

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.