Home / 188,738.54-283,206.22-76,501.70

Finding the Fourth Proportional to 188,738.54, 283,206.22 and 76,501.70

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Solution

The fourth proportional to 188,738.54, 283,206.22 and 76,501.70 is: 114,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,738.54 : 283,206.22 = 76,501.70 : x
  2. Step 2: Convert to fraction form
    188,738.54/283,206.22 = 76,501.70/x
  3. Step 3: Cross multiply
    188,738.54x = 283,206.22 × 76,501.70
  4. Step 4: Simplify right side
    188,738.54x = 21,665,757,280.57
  5. Step 5: Solve for x
    x = 21,665,757,280.57/188,738.54
  6. Step 6: Final answer
    x = 114,792.44

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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.