Finding the Fourth Proportional to 147,232.36, 202,976.58 and 99,409.96
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Solution
The fourth proportional to 147,232.36, 202,976.58 and 99,409.96 is: 137,047.95
Step by Step Solution
- Step 1: Write the proportion equation
147,232.36 : 202,976.58 = 99,409.96 : x - Step 2: Convert to fraction form
147,232.36/202,976.58 = 99,409.96/x - Step 3: Cross multiply
147,232.36x = 202,976.58 × 99,409.96 - Step 4: Simplify right side
147,232.36x = 20,177,893,698.74 - Step 5: Solve for x
x = 20,177,893,698.74/147,232.36 - Step 6: Final answer
x = 137,047.95
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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.