Home / 250,724.69-376,082.94-100,961.21

Finding the Fourth Proportional to 250,724.69, 376,082.94 and 100,961.21

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Solution

The fourth proportional to 250,724.69, 376,082.94 and 100,961.21 is: 151,440.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,724.69 : 376,082.94 = 100,961.21 : x
  2. Step 2: Convert to fraction form
    250,724.69/376,082.94 = 100,961.21/x
  3. Step 3: Cross multiply
    250,724.69x = 376,082.94 × 100,961.21
  4. Step 4: Simplify right side
    250,724.69x = 37,969,788,233.95
  5. Step 5: Solve for x
    x = 37,969,788,233.95/250,724.69
  6. Step 6: Final answer
    x = 151,440.16

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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.