Home / 455,265.45-683,171.55-188,998.20

Finding the Fourth Proportional to 455,265.45, 683,171.55 and 188,998.20

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Solution

The fourth proportional to 455,265.45, 683,171.55 and 188,998.20 is: 283,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,265.45 : 683,171.55 = 188,998.20 : x
  2. Step 2: Convert to fraction form
    455,265.45/683,171.55 = 188,998.20/x
  3. Step 3: Cross multiply
    455,265.45x = 683,171.55 × 188,998.20
  4. Step 4: Simplify right side
    455,265.45x = 129,118,193,241.21
  5. Step 5: Solve for x
    x = 129,118,193,241.21/455,265.45
  6. Step 6: Final answer
    x = 283,610.79

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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.