Home / 142,942.26-214,413.38-97,919.22

Finding the Fourth Proportional to 142,942.26, 214,413.38 and 97,919.22

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Solution

The fourth proportional to 142,942.26, 214,413.38 and 97,919.22 is: 146,878.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,942.26 : 214,413.38 = 97,919.22 : x
  2. Step 2: Convert to fraction form
    142,942.26/214,413.38 = 97,919.22/x
  3. Step 3: Cross multiply
    142,942.26x = 214,413.38 × 97,919.22
  4. Step 4: Simplify right side
    142,942.26x = 20,995,190,927.16
  5. Step 5: Solve for x
    x = 20,995,190,927.16/142,942.26
  6. Step 6: Final answer
    x = 146,878.82

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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.