Finding the Fourth Proportional to 168,973.13, 233,190.21 and 93,521.63
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Solution
The fourth proportional to 168,973.13, 233,190.21 and 93,521.63 is: 129,063.88
Step by Step Solution
- Step 1: Write the proportion equation
168,973.13 : 233,190.21 = 93,521.63 : x - Step 2: Convert to fraction form
168,973.13/233,190.21 = 93,521.63/x - Step 3: Cross multiply
168,973.13x = 233,190.21 × 93,521.63 - Step 4: Simplify right side
168,973.13x = 21,808,327,373.29 - Step 5: Solve for x
x = 21,808,327,373.29/168,973.13 - Step 6: Final answer
x = 129,063.88
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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.