Finding the Fourth Proportional to 228,356.16, 342,160.26 and 121,626.84
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Solution
The fourth proportional to 228,356.16, 342,160.26 and 121,626.84 is: 182,241.07
Step by Step Solution
- Step 1: Write the proportion equation
228,356.16 : 342,160.26 = 121,626.84 : x - Step 2: Convert to fraction form
228,356.16/342,160.26 = 121,626.84/x - Step 3: Cross multiply
228,356.16x = 342,160.26 × 121,626.84 - Step 4: Simplify right side
228,356.16x = 41,615,871,197.38 - Step 5: Solve for x
x = 41,615,871,197.38/228,356.16 - Step 6: Final answer
x = 182,241.07
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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.