Finding the Fourth Proportional to 147,169.19, 202,706.60 and 113,112.54
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Solution
The fourth proportional to 147,169.19, 202,706.60 and 113,112.54 is: 155,797.95
Step by Step Solution
- Step 1: Write the proportion equation
147,169.19 : 202,706.60 = 113,112.54 : x - Step 2: Convert to fraction form
147,169.19/202,706.60 = 113,112.54/x - Step 3: Cross multiply
147,169.19x = 202,706.60 × 113,112.54 - Step 4: Simplify right side
147,169.19x = 22,928,657,835.20 - Step 5: Solve for x
x = 22,928,657,835.20/147,169.19 - Step 6: Final answer
x = 155,797.95
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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.