Finding the Fourth Proportional to 170,197.74, 234,904.37 and 98,577.74
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Solution
The fourth proportional to 170,197.74, 234,904.37 and 98,577.74 is: 136,055.51
Step by Step Solution
- Step 1: Write the proportion equation
170,197.74 : 234,904.37 = 98,577.74 : x - Step 2: Convert to fraction form
170,197.74/234,904.37 = 98,577.74/x - Step 3: Cross multiply
170,197.74x = 234,904.37 × 98,577.74 - Step 4: Simplify right side
170,197.74x = 23,156,340,243.31 - Step 5: Solve for x
x = 23,156,340,243.31/170,197.74 - Step 6: Final answer
x = 136,055.51
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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.