Home / 418,250.76-627,023.36-181,415.04

Finding the Fourth Proportional to 418,250.76, 627,023.36 and 181,415.04

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Solution

The fourth proportional to 418,250.76, 627,023.36 and 181,415.04 is: 271,969.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,250.76 : 627,023.36 = 181,415.04 : x
  2. Step 2: Convert to fraction form
    418,250.76/627,023.36 = 181,415.04/x
  3. Step 3: Cross multiply
    418,250.76x = 627,023.36 × 181,415.04
  4. Step 4: Simplify right side
    418,250.76x = 113,751,467,935.33
  5. Step 5: Solve for x
    x = 113,751,467,935.33/418,250.76
  6. Step 6: Final answer
    x = 271,969.54

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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.