Finding the Fourth Proportional to 134,769.20, 202,153.80 and 93,297.20
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Solution
The fourth proportional to 134,769.20, 202,153.80 and 93,297.20 is: 139,945.80
Step by Step Solution
- Step 1: Write the proportion equation
134,769.20 : 202,153.80 = 93,297.20 : x - Step 2: Convert to fraction form
134,769.20/202,153.80 = 93,297.20/x - Step 3: Cross multiply
134,769.20x = 202,153.80 × 93,297.20 - Step 4: Simplify right side
134,769.20x = 18,860,383,509.36 - Step 5: Solve for x
x = 18,860,383,509.36/134,769.20 - Step 6: Final answer
x = 139,945.80
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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.