Home / 195,975.64-270,413.91-115,373.76

Finding the Fourth Proportional to 195,975.64, 270,413.91 and 115,373.76

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Solution

The fourth proportional to 195,975.64, 270,413.91 and 115,373.76 is: 159,196.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,975.64 : 270,413.91 = 115,373.76 : x
  2. Step 2: Convert to fraction form
    195,975.64/270,413.91 = 115,373.76/x
  3. Step 3: Cross multiply
    195,975.64x = 270,413.91 × 115,373.76
  4. Step 4: Simplify right side
    195,975.64x = 31,198,667,624.06
  5. Step 5: Solve for x
    x = 31,198,667,624.06/195,975.64
  6. Step 6: Final answer
    x = 159,196.66

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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.