Home / 188,909.40-283,364.10-109,083.90

Finding the Fourth Proportional to 188,909.40, 283,364.10 and 109,083.90

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Solution

The fourth proportional to 188,909.40, 283,364.10 and 109,083.90 is: 163,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,909.40 : 283,364.10 = 109,083.90 : x
  2. Step 2: Convert to fraction form
    188,909.40/283,364.10 = 109,083.90/x
  3. Step 3: Cross multiply
    188,909.40x = 283,364.10 × 109,083.90
  4. Step 4: Simplify right side
    188,909.40x = 30,910,461,147.99
  5. Step 5: Solve for x
    x = 30,910,461,147.99/188,909.40
  6. Step 6: Final answer
    x = 163,625.85

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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.