Home / 204,909.36-307,413.44-64,667.56

Finding the Fourth Proportional to 204,909.36, 307,413.44 and 64,667.56

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Solution

The fourth proportional to 204,909.36, 307,413.44 and 64,667.56 is: 97,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,909.36 : 307,413.44 = 64,667.56 : x
  2. Step 2: Convert to fraction form
    204,909.36/307,413.44 = 64,667.56/x
  3. Step 3: Cross multiply
    204,909.36x = 307,413.44 × 64,667.56
  4. Step 4: Simplify right side
    204,909.36x = 19,879,677,076.01
  5. Step 5: Solve for x
    x = 19,879,677,076.01/204,909.36
  6. Step 6: Final answer
    x = 97,016.93

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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.