Home / 193,848.12-290,662.83-75,383.80

Finding the Fourth Proportional to 193,848.12, 290,662.83 and 75,383.80

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Solution

The fourth proportional to 193,848.12, 290,662.83 and 75,383.80 is: 113,033.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,848.12 : 290,662.83 = 75,383.80 : x
  2. Step 2: Convert to fraction form
    193,848.12/290,662.83 = 75,383.80/x
  3. Step 3: Cross multiply
    193,848.12x = 290,662.83 × 75,383.80
  4. Step 4: Simplify right side
    193,848.12x = 21,911,267,917.50
  5. Step 5: Solve for x
    x = 21,911,267,917.50/193,848.12
  6. Step 6: Final answer
    x = 113,033.17

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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.