Finding the Fourth Proportional to 147,167.05, 203,090.93 and 83,504.68
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Solution
The fourth proportional to 147,167.05, 203,090.93 and 83,504.68 is: 115,236.68
Step by Step Solution
- Step 1: Write the proportion equation
147,167.05 : 203,090.93 = 83,504.68 : x - Step 2: Convert to fraction form
147,167.05/203,090.93 = 83,504.68/x - Step 3: Cross multiply
147,167.05x = 203,090.93 × 83,504.68 - Step 4: Simplify right side
147,167.05x = 16,959,042,703.03 - Step 5: Solve for x
x = 16,959,042,703.03/147,167.05 - Step 6: Final answer
x = 115,236.68
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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.