Home / 188,954.83-283,430.48-76,608.34

Finding the Fourth Proportional to 188,954.83, 283,430.48 and 76,608.34

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Solution

The fourth proportional to 188,954.83, 283,430.48 and 76,608.34 is: 114,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,954.83 : 283,430.48 = 76,608.34 : x
  2. Step 2: Convert to fraction form
    188,954.83/283,430.48 = 76,608.34/x
  3. Step 3: Cross multiply
    188,954.83x = 283,430.48 × 76,608.34
  4. Step 4: Simplify right side
    188,954.83x = 21,713,138,283.73
  5. Step 5: Solve for x
    x = 21,713,138,283.73/188,954.83
  6. Step 6: Final answer
    x = 114,911.80

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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.