Home / 200,965.55-301,445.24-67,939.25

Finding the Fourth Proportional to 200,965.55, 301,445.24 and 67,939.25

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Solution

The fourth proportional to 200,965.55, 301,445.24 and 67,939.25 is: 101,907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,965.55 : 301,445.24 = 67,939.25 : x
  2. Step 2: Convert to fraction form
    200,965.55/301,445.24 = 67,939.25/x
  3. Step 3: Cross multiply
    200,965.55x = 301,445.24 × 67,939.25
  4. Step 4: Simplify right side
    200,965.55x = 20,479,961,674.75
  5. Step 5: Solve for x
    x = 20,479,961,674.75/200,965.55
  6. Step 6: Final answer
    x = 101,907.83

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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.