Home / 188,758.28-283,137.50-155,408.31

Finding the Fourth Proportional to 188,758.28, 283,137.50 and 155,408.31

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Solution

The fourth proportional to 188,758.28, 283,137.50 and 155,408.31 is: 233,112.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,758.28 : 283,137.50 = 155,408.31 : x
  2. Step 2: Convert to fraction form
    188,758.28/283,137.50 = 155,408.31/x
  3. Step 3: Cross multiply
    188,758.28x = 283,137.50 × 155,408.31
  4. Step 4: Simplify right side
    188,758.28x = 44,001,920,761.15
  5. Step 5: Solve for x
    x = 44,001,920,761.15/188,758.28
  6. Step 6: Final answer
    x = 233,112.53

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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.