Home / 166,865.76-230,271.66-91,413.72

Finding the Fourth Proportional to 166,865.76, 230,271.66 and 91,413.72

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Solution

The fourth proportional to 166,865.76, 230,271.66 and 91,413.72 is: 126,149.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,865.76 : 230,271.66 = 91,413.72 : x
  2. Step 2: Convert to fraction form
    166,865.76/230,271.66 = 91,413.72/x
  3. Step 3: Cross multiply
    166,865.76x = 230,271.66 × 91,413.72
  4. Step 4: Simplify right side
    166,865.76x = 21,049,989,051.18
  5. Step 5: Solve for x
    x = 21,049,989,051.18/166,865.76
  6. Step 6: Final answer
    x = 126,149.24

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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.