Home / 397,692.14-596,631.64-131,452.66

Finding the Fourth Proportional to 397,692.14, 596,631.64 and 131,452.66

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Solution

The fourth proportional to 397,692.14, 596,631.64 and 131,452.66 is: 197,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,692.14 : 596,631.64 = 131,452.66 : x
  2. Step 2: Convert to fraction form
    397,692.14/596,631.64 = 131,452.66/x
  3. Step 3: Cross multiply
    397,692.14x = 596,631.64 × 131,452.66
  4. Step 4: Simplify right side
    397,692.14x = 78,428,814,297.95
  5. Step 5: Solve for x
    x = 78,428,814,297.95/397,692.14
  6. Step 6: Final answer
    x = 197,209.87

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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.