Finding the Fourth Proportional to 194,570.70, 268,466.63 and 118,129.97
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Solution
The fourth proportional to 194,570.70, 268,466.63 and 118,129.97 is: 162,994.50
Step by Step Solution
- Step 1: Write the proportion equation
194,570.70 : 268,466.63 = 118,129.97 : x - Step 2: Convert to fraction form
194,570.70/268,466.63 = 118,129.97/x - Step 3: Cross multiply
194,570.70x = 268,466.63 × 118,129.97 - Step 4: Simplify right side
194,570.70x = 31,713,953,014.92 - Step 5: Solve for x
x = 31,713,953,014.92/194,570.70 - Step 6: Final answer
x = 162,994.50
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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.