Finding the Fourth Proportional to 231,070.95, 318,707.33 and 146,106
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Solution
The fourth proportional to 231,070.95, 318,707.33 and 146,106 is: 201,518.42
Step by Step Solution
- Step 1: Write the proportion equation
231,070.95 : 318,707.33 = 146,106 : x - Step 2: Convert to fraction form
231,070.95/318,707.33 = 146,106/x - Step 3: Cross multiply
231,070.95x = 318,707.33 × 146,106 - Step 4: Simplify right side
231,070.95x = 46,565,052,426.45 - Step 5: Solve for x
x = 46,565,052,426.45/231,070.95 - Step 6: Final answer
x = 201,518.42
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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.