Home / 121,078.06-181,669.32-46,220.68

Finding the Fourth Proportional to 121,078.06, 181,669.32 and 46,220.68

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Solution

The fourth proportional to 121,078.06, 181,669.32 and 46,220.68 is: 69,350.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,078.06 : 181,669.32 = 46,220.68 : x
  2. Step 2: Convert to fraction form
    121,078.06/181,669.32 = 46,220.68/x
  3. Step 3: Cross multiply
    121,078.06x = 181,669.32 × 46,220.68
  4. Step 4: Simplify right side
    121,078.06x = 8,396,879,505.54
  5. Step 5: Solve for x
    x = 8,396,879,505.54/121,078.06
  6. Step 6: Final answer
    x = 69,350.96

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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.