Finding the Fourth Proportional to 112,120.04, 168,143.51 and 37,220.09
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Solution
The fourth proportional to 112,120.04, 168,143.51 and 37,220.09 is: 55,817.99
Step by Step Solution
- Step 1: Write the proportion equation
112,120.04 : 168,143.51 = 37,220.09 : x - Step 2: Convert to fraction form
112,120.04/168,143.51 = 37,220.09/x - Step 3: Cross multiply
112,120.04x = 168,143.51 × 37,220.09 - Step 4: Simplify right side
112,120.04x = 6,258,315,827.45 - Step 5: Solve for x
x = 6,258,315,827.45/112,120.04 - Step 6: Final answer
x = 55,817.99
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1.5x scale
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.