Home / 114,557.45-171,961.87-91,016.31

Finding the Fourth Proportional to 114,557.45, 171,961.87 and 91,016.31

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Solution

The fourth proportional to 114,557.45, 171,961.87 and 91,016.31 is: 136,624.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,557.45 : 171,961.87 = 91,016.31 : x
  2. Step 2: Convert to fraction form
    114,557.45/171,961.87 = 91,016.31/x
  3. Step 3: Cross multiply
    114,557.45x = 171,961.87 × 91,016.31
  4. Step 4: Simplify right side
    114,557.45x = 15,651,334,413.02
  5. Step 5: Solve for x
    x = 15,651,334,413.02/114,557.45
  6. Step 6: Final answer
    x = 136,624.33

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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.