Home / 181,940.43-251,069.85-101,376.75

Finding the Fourth Proportional to 181,940.43, 251,069.85 and 101,376.75

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Solution

The fourth proportional to 181,940.43, 251,069.85 and 101,376.75 is: 139,895.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,940.43 : 251,069.85 = 101,376.75 : x
  2. Step 2: Convert to fraction form
    181,940.43/251,069.85 = 101,376.75/x
  3. Step 3: Cross multiply
    181,940.43x = 251,069.85 × 101,376.75
  4. Step 4: Simplify right side
    181,940.43x = 25,452,645,415.99
  5. Step 5: Solve for x
    x = 25,452,645,415.99/181,940.43
  6. Step 6: Final answer
    x = 139,895.49

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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.