Finding the Fourth Proportional to 163,598.13, 225,673.21 and 98,170.03
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Solution
The fourth proportional to 163,598.13, 225,673.21 and 98,170.03 is: 135,419.32
Step by Step Solution
- Step 1: Write the proportion equation
163,598.13 : 225,673.21 = 98,170.03 : x - Step 2: Convert to fraction form
163,598.13/225,673.21 = 98,170.03/x - Step 3: Cross multiply
163,598.13x = 225,673.21 × 98,170.03 - Step 4: Simplify right side
163,598.13x = 22,154,346,159.45 - Step 5: Solve for x
x = 22,154,346,159.45/163,598.13 - Step 6: Final answer
x = 135,419.32
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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.