Finding the Fourth Proportional to 292,023.18, 438,038.28 and 114,613.74
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Solution
The fourth proportional to 292,023.18, 438,038.28 and 114,613.74 is: 171,921.99
Step by Step Solution
- Step 1: Write the proportion equation
292,023.18 : 438,038.28 = 114,613.74 : x - Step 2: Convert to fraction form
292,023.18/438,038.28 = 114,613.74/x - Step 3: Cross multiply
292,023.18x = 438,038.28 × 114,613.74 - Step 4: Simplify right side
292,023.18x = 50,205,205,533.97 - Step 5: Solve for x
x = 50,205,205,533.97/292,023.18 - Step 6: Final answer
x = 171,921.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.