Finding the Fourth Proportional to 186,644.76, 257,523.58 and 114,028.96
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Solution
The fourth proportional to 186,644.76, 257,523.58 and 114,028.96 is: 157,331.75
Step by Step Solution
- Step 1: Write the proportion equation
186,644.76 : 257,523.58 = 114,028.96 : x - Step 2: Convert to fraction form
186,644.76/257,523.58 = 114,028.96/x - Step 3: Cross multiply
186,644.76x = 257,523.58 × 114,028.96 - Step 4: Simplify right side
186,644.76x = 29,365,146,002.88 - Step 5: Solve for x
x = 29,365,146,002.88/186,644.76 - Step 6: Final answer
x = 157,331.75
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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.