Finding the Fourth Proportional to 106,633.26, 147,146.49 and 58,886.19
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Solution
The fourth proportional to 106,633.26, 147,146.49 and 58,886.19 is: 81,258.85
Step by Step Solution
- Step 1: Write the proportion equation
106,633.26 : 147,146.49 = 58,886.19 : x - Step 2: Convert to fraction form
106,633.26/147,146.49 = 58,886.19/x - Step 3: Cross multiply
106,633.26x = 147,146.49 × 58,886.19 - Step 4: Simplify right side
106,633.26x = 8,664,896,167.97 - Step 5: Solve for x
x = 8,664,896,167.97/106,633.26 - Step 6: Final answer
x = 81,258.85
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1.5x scale
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.