Finding the Fourth Proportional to 199,574.44, 275,412.74 and 136,023.26
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Solution
The fourth proportional to 199,574.44, 275,412.74 and 136,023.26 is: 187,712.10
Step by Step Solution
- Step 1: Write the proportion equation
199,574.44 : 275,412.74 = 136,023.26 : x - Step 2: Convert to fraction form
199,574.44/275,412.74 = 136,023.26/x - Step 3: Cross multiply
199,574.44x = 275,412.74 × 136,023.26 - Step 4: Simplify right side
199,574.44x = 37,462,536,683.15 - Step 5: Solve for x
x = 37,462,536,683.15/199,574.44 - Step 6: Final answer
x = 187,712.10
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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.