Home / 96,172.70-143,999.85-69,734.30

Finding the Fourth Proportional to 96,172.70, 143,999.85 and 69,734.30

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Solution

The fourth proportional to 96,172.70, 143,999.85 and 69,734.30 is: 104,413.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,172.70 : 143,999.85 = 69,734.30 : x
  2. Step 2: Convert to fraction form
    96,172.70/143,999.85 = 69,734.30/x
  3. Step 3: Cross multiply
    96,172.70x = 143,999.85 × 69,734.30
  4. Step 4: Simplify right side
    96,172.70x = 10,041,728,739.86
  5. Step 5: Solve for x
    x = 10,041,728,739.86/96,172.70
  6. Step 6: Final answer
    x = 104,413.51

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1.5x scale

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.