Home / 119,190.24-164,413.80-71,415.90

Finding the Fourth Proportional to 119,190.24, 164,413.80 and 71,415.90

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Solution

The fourth proportional to 119,190.24, 164,413.80 and 71,415.90 is: 98,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,190.24 : 164,413.80 = 71,415.90 : x
  2. Step 2: Convert to fraction form
    119,190.24/164,413.80 = 71,415.90/x
  3. Step 3: Cross multiply
    119,190.24x = 164,413.80 × 71,415.90
  4. Step 4: Simplify right side
    119,190.24x = 11,741,759,499.42
  5. Step 5: Solve for x
    x = 11,741,759,499.42/119,190.24
  6. Step 6: Final answer
    x = 98,512.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.