Home / 190,413.72-262,876.22-170,222.24

Finding the Fourth Proportional to 190,413.72, 262,876.22 and 170,222.24

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Solution

The fourth proportional to 190,413.72, 262,876.22 and 170,222.24 is: 235,000.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,413.72 : 262,876.22 = 170,222.24 : x
  2. Step 2: Convert to fraction form
    190,413.72/262,876.22 = 170,222.24/x
  3. Step 3: Cross multiply
    190,413.72x = 262,876.22 × 170,222.24
  4. Step 4: Simplify right side
    190,413.72x = 44,747,380,905.94
  5. Step 5: Solve for x
    x = 44,747,380,905.94/190,413.72
  6. Step 6: Final answer
    x = 235,000.82

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1.5x scale

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.