Finding the Fourth Proportional to 146,703.64, 202,419.88 and 86,252.22
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Solution
The fourth proportional to 146,703.64, 202,419.88 and 86,252.22 is: 119,009.75
Step by Step Solution
- Step 1: Write the proportion equation
146,703.64 : 202,419.88 = 86,252.22 : x - Step 2: Convert to fraction form
146,703.64/202,419.88 = 86,252.22/x - Step 3: Cross multiply
146,703.64x = 202,419.88 × 86,252.22 - Step 4: Simplify right side
146,703.64x = 17,459,164,022.13 - Step 5: Solve for x
x = 17,459,164,022.13/146,703.64 - Step 6: Final answer
x = 119,009.75
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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.