Finding the Fourth Proportional to 175,466.10, 241,858.80 and 137,157.96
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Solution
The fourth proportional to 175,466.10, 241,858.80 and 137,157.96 is: 189,055.66
Step by Step Solution
- Step 1: Write the proportion equation
175,466.10 : 241,858.80 = 137,157.96 : x - Step 2: Convert to fraction form
175,466.10/241,858.80 = 137,157.96/x - Step 3: Cross multiply
175,466.10x = 241,858.80 × 137,157.96 - Step 4: Simplify right side
175,466.10x = 33,172,859,616.05 - Step 5: Solve for x
x = 33,172,859,616.05/175,466.10 - Step 6: Final answer
x = 189,055.66
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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.