Finding the Fourth Proportional to 131,910.17, 197,862.51 and 32,070.88
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Solution
The fourth proportional to 131,910.17, 197,862.51 and 32,070.88 is: 48,105.65
Step by Step Solution
- Step 1: Write the proportion equation
131,910.17 : 197,862.51 = 32,070.88 : x - Step 2: Convert to fraction form
131,910.17/197,862.51 = 32,070.88/x - Step 3: Cross multiply
131,910.17x = 197,862.51 × 32,070.88 - Step 4: Simplify right side
131,910.17x = 6,345,624,320.05 - Step 5: Solve for x
x = 6,345,624,320.05/131,910.17 - Step 6: Final answer
x = 48,105.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.