Finding the Fourth Proportional to 158,133.35, 218,202.50 and 94,457.63
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Solution
The fourth proportional to 158,133.35, 218,202.50 and 94,457.63 is: 130,338.67
Step by Step Solution
- Step 1: Write the proportion equation
158,133.35 : 218,202.50 = 94,457.63 : x - Step 2: Convert to fraction form
158,133.35/218,202.50 = 94,457.63/x - Step 3: Cross multiply
158,133.35x = 218,202.50 × 94,457.63 - Step 4: Simplify right side
158,133.35x = 20,610,889,446.77 - Step 5: Solve for x
x = 20,610,889,446.77/158,133.35 - Step 6: Final answer
x = 130,338.67
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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.