Home / 215,928.97-297,982.38-120,441.85

Finding the Fourth Proportional to 215,928.97, 297,982.38 and 120,441.85

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Solution

The fourth proportional to 215,928.97, 297,982.38 and 120,441.85 is: 166,209.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,928.97 : 297,982.38 = 120,441.85 : x
  2. Step 2: Convert to fraction form
    215,928.97/297,982.38 = 120,441.85/x
  3. Step 3: Cross multiply
    215,928.97x = 297,982.38 × 120,441.85
  4. Step 4: Simplify right side
    215,928.97x = 35,889,549,114.60
  5. Step 5: Solve for x
    x = 35,889,549,114.60/215,928.97
  6. Step 6: Final answer
    x = 166,209.98

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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.