Finding the Fourth Proportional to 173,896.16, 239,985.70 and 97,410.80
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Solution
The fourth proportional to 173,896.16, 239,985.70 and 97,410.80 is: 134,431.95
Step by Step Solution
- Step 1: Write the proportion equation
173,896.16 : 239,985.70 = 97,410.80 : x - Step 2: Convert to fraction form
173,896.16/239,985.70 = 97,410.80/x - Step 3: Cross multiply
173,896.16x = 239,985.70 × 97,410.80 - Step 4: Simplify right side
173,896.16x = 23,377,199,025.56 - Step 5: Solve for x
x = 23,377,199,025.56/173,896.16 - Step 6: Final answer
x = 134,431.95
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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.