Finding the Fourth Proportional to 267,145.13, 368,660.28 and 147,913.13
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Solution
The fourth proportional to 267,145.13, 368,660.28 and 147,913.13 is: 204,120.12
Step by Step Solution
- Step 1: Write the proportion equation
267,145.13 : 368,660.28 = 147,913.13 : x - Step 2: Convert to fraction form
267,145.13/368,660.28 = 147,913.13/x - Step 3: Cross multiply
267,145.13x = 368,660.28 × 147,913.13 - Step 4: Simplify right side
267,145.13x = 54,529,694,078.18 - Step 5: Solve for x
x = 54,529,694,078.18/267,145.13 - Step 6: Final answer
x = 204,120.12
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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.