Home / 111,457.18-167,198.46-40,413.28

Finding the Fourth Proportional to 111,457.18, 167,198.46 and 40,413.28

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Solution

The fourth proportional to 111,457.18, 167,198.46 and 40,413.28 is: 60,624.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,457.18 : 167,198.46 = 40,413.28 : x
  2. Step 2: Convert to fraction form
    111,457.18/167,198.46 = 40,413.28/x
  3. Step 3: Cross multiply
    111,457.18x = 167,198.46 × 40,413.28
  4. Step 4: Simplify right side
    111,457.18x = 6,757,037,980.33
  5. Step 5: Solve for x
    x = 6,757,037,980.33/111,457.18
  6. Step 6: Final answer
    x = 60,624.52

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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.