Finding the Fourth Proportional to 192,590.13, 265,774.18 and 107,707.20
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Solution
The fourth proportional to 192,590.13, 265,774.18 and 107,707.20 is: 148,635.82
Step by Step Solution
- Step 1: Write the proportion equation
192,590.13 : 265,774.18 = 107,707.20 : x - Step 2: Convert to fraction form
192,590.13/265,774.18 = 107,707.20/x - Step 3: Cross multiply
192,590.13x = 265,774.18 × 107,707.20 - Step 4: Simplify right side
192,590.13x = 28,625,792,760.10 - Step 5: Solve for x
x = 28,625,792,760.10/192,590.13 - Step 6: Final answer
x = 148,635.82
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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.