Finding the Fourth Proportional to 133,733.63, 184,571.33 and 82,762.76
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Solution
The fourth proportional to 133,733.63, 184,571.33 and 82,762.76 is: 114,224.32
Step by Step Solution
- Step 1: Write the proportion equation
133,733.63 : 184,571.33 = 82,762.76 : x - Step 2: Convert to fraction form
133,733.63/184,571.33 = 82,762.76/x - Step 3: Cross multiply
133,733.63x = 184,571.33 × 82,762.76 - Step 4: Simplify right side
133,733.63x = 15,275,632,735.29 - Step 5: Solve for x
x = 15,275,632,735.29/133,733.63 - Step 6: Final answer
x = 114,224.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.