Finding the Fourth Proportional to 163,646.44, 225,805.78 and 92,022.18
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Solution
The fourth proportional to 163,646.44, 225,805.78 and 92,022.18 is: 126,975.82
Step by Step Solution
- Step 1: Write the proportion equation
163,646.44 : 225,805.78 = 92,022.18 : x - Step 2: Convert to fraction form
163,646.44/225,805.78 = 92,022.18/x - Step 3: Cross multiply
163,646.44x = 225,805.78 × 92,022.18 - Step 4: Simplify right side
163,646.44x = 20,779,140,132.20 - Step 5: Solve for x
x = 20,779,140,132.20/163,646.44 - Step 6: Final answer
x = 126,975.82
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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.