Finding the Fourth Proportional to 212,352.14, 293,053.74 and 116,866.10
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Solution
The fourth proportional to 212,352.14, 293,053.74 and 116,866.10 is: 161,279.50
Step by Step Solution
- Step 1: Write the proportion equation
212,352.14 : 293,053.74 = 116,866.10 : x - Step 2: Convert to fraction form
212,352.14/293,053.74 = 116,866.10/x - Step 3: Cross multiply
212,352.14x = 293,053.74 × 116,866.10 - Step 4: Simplify right side
212,352.14x = 34,248,047,684.21 - Step 5: Solve for x
x = 34,248,047,684.21/212,352.14 - Step 6: Final answer
x = 161,279.50
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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.