Home / 396,178.13-594,313.41-143,577.60

Finding the Fourth Proportional to 396,178.13, 594,313.41 and 143,577.60

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Solution

The fourth proportional to 396,178.13, 594,313.41 and 143,577.60 is: 215,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,178.13 : 594,313.41 = 143,577.60 : x
  2. Step 2: Convert to fraction form
    396,178.13/594,313.41 = 143,577.60/x
  3. Step 3: Cross multiply
    396,178.13x = 594,313.41 × 143,577.60
  4. Step 4: Simplify right side
    396,178.13x = 85,330,093,055.62
  5. Step 5: Solve for x
    x = 85,330,093,055.62/396,178.13
  6. Step 6: Final answer
    x = 215,383.15

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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.