Home / 396,632.11-595,184.55-143,932.30

Finding the Fourth Proportional to 396,632.11, 595,184.55 and 143,932.30

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Solution

The fourth proportional to 396,632.11, 595,184.55 and 143,932.30 is: 215,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,632.11 : 595,184.55 = 143,932.30 : x
  2. Step 2: Convert to fraction form
    396,632.11/595,184.55 = 143,932.30/x
  3. Step 3: Cross multiply
    396,632.11x = 595,184.55 × 143,932.30
  4. Step 4: Simplify right side
    396,632.11x = 85,666,281,205.97
  5. Step 5: Solve for x
    x = 85,666,281,205.97/396,632.11
  6. Step 6: Final answer
    x = 215,984.23

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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.