Finding the Fourth Proportional to 159,894.44, 220,652.73 and 88,274.91
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Solution
The fourth proportional to 159,894.44, 220,652.73 and 88,274.91 is: 121,818.50
Step by Step Solution
- Step 1: Write the proportion equation
159,894.44 : 220,652.73 = 88,274.91 : x - Step 2: Convert to fraction form
159,894.44/220,652.73 = 88,274.91/x - Step 3: Cross multiply
159,894.44x = 220,652.73 × 88,274.91 - Step 4: Simplify right side
159,894.44x = 19,478,099,882.00 - Step 5: Solve for x
x = 19,478,099,882.00/159,894.44 - Step 6: Final answer
x = 121,818.50
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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.