Home / 263,609.12-363,765.60-156,189.44

Finding the Fourth Proportional to 263,609.12, 363,765.60 and 156,189.44

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Solution

The fourth proportional to 263,609.12, 363,765.60 and 156,189.44 is: 215,532.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,609.12 : 363,765.60 = 156,189.44 : x
  2. Step 2: Convert to fraction form
    263,609.12/363,765.60 = 156,189.44/x
  3. Step 3: Cross multiply
    263,609.12x = 363,765.60 × 156,189.44
  4. Step 4: Simplify right side
    263,609.12x = 56,816,345,355.26
  5. Step 5: Solve for x
    x = 56,816,345,355.26/263,609.12
  6. Step 6: Final answer
    x = 215,532.55

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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.