Finding the Fourth Proportional to 162,837.92, 224,690.19 and 91,220.96
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Solution
The fourth proportional to 162,837.92, 224,690.19 and 91,220.96 is: 125,870.28
Step by Step Solution
- Step 1: Write the proportion equation
162,837.92 : 224,690.19 = 91,220.96 : x - Step 2: Convert to fraction form
162,837.92/224,690.19 = 91,220.96/x - Step 3: Cross multiply
162,837.92x = 224,690.19 × 91,220.96 - Step 4: Simplify right side
162,837.92x = 20,496,453,710.93 - Step 5: Solve for x
x = 20,496,453,710.93/162,837.92 - Step 6: Final answer
x = 125,870.28
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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.