Finding the Fourth Proportional to 177,632.33, 245,105.84 and 101,154.31
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Solution
The fourth proportional to 177,632.33, 245,105.84 and 101,154.31 is: 139,577.70
Step by Step Solution
- Step 1: Write the proportion equation
177,632.33 : 245,105.84 = 101,154.31 : x - Step 2: Convert to fraction form
177,632.33/245,105.84 = 101,154.31/x - Step 3: Cross multiply
177,632.33x = 245,105.84 × 101,154.31 - Step 4: Simplify right side
177,632.33x = 24,793,511,762.29 - Step 5: Solve for x
x = 24,793,511,762.29/177,632.33 - Step 6: Final answer
x = 139,577.70
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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.