Finding the Fourth Proportional to 170,272.09, 234,966.27 and 93,776.23
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Solution
The fourth proportional to 170,272.09, 234,966.27 and 93,776.23 is: 129,406.12
Step by Step Solution
- Step 1: Write the proportion equation
170,272.09 : 234,966.27 = 93,776.23 : x - Step 2: Convert to fraction form
170,272.09/234,966.27 = 93,776.23/x - Step 3: Cross multiply
170,272.09x = 234,966.27 × 93,776.23 - Step 4: Simplify right side
170,272.09x = 22,034,250,977.76 - Step 5: Solve for x
x = 22,034,250,977.76/170,272.09 - Step 6: Final answer
x = 129,406.12
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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.