Finding the Fourth Proportional to 214,831.14, 322,355.79 and 96,478.26
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Solution
The fourth proportional to 214,831.14, 322,355.79 and 96,478.26 is: 144,766.38
Step by Step Solution
- Step 1: Write the proportion equation
214,831.14 : 322,355.79 = 96,478.26 : x - Step 2: Convert to fraction form
214,831.14/322,355.79 = 96,478.26/x - Step 3: Cross multiply
214,831.14x = 322,355.79 × 96,478.26 - Step 4: Simplify right side
214,831.14x = 31,100,325,720.13 - Step 5: Solve for x
x = 31,100,325,720.13/214,831.14 - Step 6: Final answer
x = 144,766.38
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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.