Finding the Fourth Proportional to 212,592.18, 293,373.36 and 117,107.76
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Solution
The fourth proportional to 212,592.18, 293,373.36 and 117,107.76 is: 161,606.59
Step by Step Solution
- Step 1: Write the proportion equation
212,592.18 : 293,373.36 = 117,107.76 : x - Step 2: Convert to fraction form
212,592.18/293,373.36 = 117,107.76/x - Step 3: Cross multiply
212,592.18x = 293,373.36 × 117,107.76 - Step 4: Simplify right side
212,592.18x = 34,356,297,033.27 - Step 5: Solve for x
x = 34,356,297,033.27/212,592.18 - Step 6: Final answer
x = 161,606.59
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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.