Finding the Fourth Proportional to 187,044.14, 258,122.25 and 102,161.18
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Solution
The fourth proportional to 187,044.14, 258,122.25 and 102,161.18 is: 140,983.16
Step by Step Solution
- Step 1: Write the proportion equation
187,044.14 : 258,122.25 = 102,161.18 : x - Step 2: Convert to fraction form
187,044.14/258,122.25 = 102,161.18/x - Step 3: Cross multiply
187,044.14x = 258,122.25 × 102,161.18 - Step 4: Simplify right side
187,044.14x = 26,370,073,644.26 - Step 5: Solve for x
x = 26,370,073,644.26/187,044.14 - Step 6: Final answer
x = 140,983.16
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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.