Finding the Fourth Proportional to 193,971.08, 267,848.28 and 143,072.02
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Solution
The fourth proportional to 193,971.08, 267,848.28 and 143,072.02 is: 197,563.44
Step by Step Solution
- Step 1: Write the proportion equation
193,971.08 : 267,848.28 = 143,072.02 : x - Step 2: Convert to fraction form
193,971.08/267,848.28 = 143,072.02/x - Step 3: Cross multiply
193,971.08x = 267,848.28 × 143,072.02 - Step 4: Simplify right side
193,971.08x = 38,321,594,473.13 - Step 5: Solve for x
x = 38,321,594,473.13/193,971.08 - Step 6: Final answer
x = 197,563.44
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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.