Finding the Fourth Proportional to 264,681.76, 365,260.14 and 143,823.06
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Solution
The fourth proportional to 264,681.76, 365,260.14 and 143,823.06 is: 198,475.45
Step by Step Solution
- Step 1: Write the proportion equation
264,681.76 : 365,260.14 = 143,823.06 : x - Step 2: Convert to fraction form
264,681.76/365,260.14 = 143,823.06/x - Step 3: Cross multiply
264,681.76x = 365,260.14 × 143,823.06 - Step 4: Simplify right side
264,681.76x = 52,532,831,030.83 - Step 5: Solve for x
x = 52,532,831,030.83/264,681.76 - Step 6: Final answer
x = 198,475.45
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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.