Finding the Fourth Proportional to 170,993.73, 235,848.95 and 120,017.84
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Solution
The fourth proportional to 170,993.73, 235,848.95 and 120,017.84 is: 165,538.70
Step by Step Solution
- Step 1: Write the proportion equation
170,993.73 : 235,848.95 = 120,017.84 : x - Step 2: Convert to fraction form
170,993.73/235,848.95 = 120,017.84/x - Step 3: Cross multiply
170,993.73x = 235,848.95 × 120,017.84 - Step 4: Simplify right side
170,993.73x = 28,306,080,216.00 - Step 5: Solve for x
x = 28,306,080,216.00/170,993.73 - Step 6: Final answer
x = 165,538.70
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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.