Finding the Fourth Proportional to 132,762.84, 183,212.64 and 73,146.84
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Solution
The fourth proportional to 132,762.84, 183,212.64 and 73,146.84 is: 100,942.60
Step by Step Solution
- Step 1: Write the proportion equation
132,762.84 : 183,212.64 = 73,146.84 : x - Step 2: Convert to fraction form
132,762.84/183,212.64 = 73,146.84/x - Step 3: Cross multiply
132,762.84x = 183,212.64 × 73,146.84 - Step 4: Simplify right side
132,762.84x = 13,401,425,664.06 - Step 5: Solve for x
x = 13,401,425,664.06/132,762.84 - Step 6: Final answer
x = 100,942.60
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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.