Home / 215,692.12-297,652.08-120,198.52

Finding the Fourth Proportional to 215,692.12, 297,652.08 and 120,198.52

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Solution

The fourth proportional to 215,692.12, 297,652.08 and 120,198.52 is: 165,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,692.12 : 297,652.08 = 120,198.52 : x
  2. Step 2: Convert to fraction form
    215,692.12/297,652.08 = 120,198.52/x
  3. Step 3: Cross multiply
    215,692.12x = 297,652.08 × 120,198.52
  4. Step 4: Simplify right side
    215,692.12x = 35,777,339,490.92
  5. Step 5: Solve for x
    x = 35,777,339,490.92/215,692.12
  6. Step 6: Final answer
    x = 165,872.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.