Finding the Fourth Proportional to 267,214.36, 368,761.76 and 152,490.70
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Solution
The fourth proportional to 267,214.36, 368,761.76 and 152,490.70 is: 210,440.56
Step by Step Solution
- Step 1: Write the proportion equation
267,214.36 : 368,761.76 = 152,490.70 : x - Step 2: Convert to fraction form
267,214.36/368,761.76 = 152,490.70/x - Step 3: Cross multiply
267,214.36x = 368,761.76 × 152,490.70 - Step 4: Simplify right side
267,214.36x = 56,232,738,915.63 - Step 5: Solve for x
x = 56,232,738,915.63/267,214.36 - Step 6: Final answer
x = 210,440.56
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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.