Finding the Fourth Proportional to 113,477.06, 170,215.63 and 113,313.08
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Solution
The fourth proportional to 113,477.06, 170,215.63 and 113,313.08 is: 169,969.65
Step by Step Solution
- Step 1: Write the proportion equation
113,477.06 : 170,215.63 = 113,313.08 : x - Step 2: Convert to fraction form
113,477.06/170,215.63 = 113,313.08/x - Step 3: Cross multiply
113,477.06x = 170,215.63 × 113,313.08 - Step 4: Simplify right side
113,477.06x = 19,287,655,881.80 - Step 5: Solve for x
x = 19,287,655,881.80/113,477.06 - Step 6: Final answer
x = 169,969.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.