Finding the Fourth Proportional to 177,118.08, 244,756.80 and 139,689.60
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Solution
The fourth proportional to 177,118.08, 244,756.80 and 139,689.60 is: 193,034.95
Step by Step Solution
- Step 1: Write the proportion equation
177,118.08 : 244,756.80 = 139,689.60 : x - Step 2: Convert to fraction form
177,118.08/244,756.80 = 139,689.60/x - Step 3: Cross multiply
177,118.08x = 244,756.80 × 139,689.60 - Step 4: Simplify right side
177,118.08x = 34,189,979,489.28 - Step 5: Solve for x
x = 34,189,979,489.28/177,118.08 - Step 6: Final answer
x = 193,034.95
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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.