Finding the Fourth Proportional to 159,762.62, 220,433.03 and 97,657.44
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Solution
The fourth proportional to 159,762.62, 220,433.03 and 97,657.44 is: 134,743.19
Step by Step Solution
- Step 1: Write the proportion equation
159,762.62 : 220,433.03 = 97,657.44 : x - Step 2: Convert to fraction form
159,762.62/220,433.03 = 97,657.44/x - Step 3: Cross multiply
159,762.62x = 220,433.03 × 97,657.44 - Step 4: Simplify right side
159,762.62x = 21,526,925,401.24 - Step 5: Solve for x
x = 21,526,925,401.24/159,762.62 - Step 6: Final answer
x = 134,743.19
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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.