Finding the Fourth Proportional to 159,847.65, 220,454.33 and 96,173.55
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Solution
The fourth proportional to 159,847.65, 220,454.33 and 96,173.55 is: 132,638.02
Step by Step Solution
- Step 1: Write the proportion equation
159,847.65 : 220,454.33 = 96,173.55 : x - Step 2: Convert to fraction form
159,847.65/220,454.33 = 96,173.55/x - Step 3: Cross multiply
159,847.65x = 220,454.33 × 96,173.55 - Step 4: Simplify right side
159,847.65x = 21,201,875,048.10 - Step 5: Solve for x
x = 21,201,875,048.10/159,847.65 - Step 6: Final answer
x = 132,638.02
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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.