Finding the Fourth Proportional to 201,079.26, 277,303.98 and 136,644.66
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Solution
The fourth proportional to 201,079.26, 277,303.98 and 136,644.66 is: 188,443.64
Step by Step Solution
- Step 1: Write the proportion equation
201,079.26 : 277,303.98 = 136,644.66 : x - Step 2: Convert to fraction form
201,079.26/277,303.98 = 136,644.66/x - Step 3: Cross multiply
201,079.26x = 277,303.98 × 136,644.66 - Step 4: Simplify right side
201,079.26x = 37,892,108,063.75 - Step 5: Solve for x
x = 37,892,108,063.75/201,079.26 - Step 6: Final answer
x = 188,443.64
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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.