Home / 188,290.10-259,777.73-111,832.58

Finding the Fourth Proportional to 188,290.10, 259,777.73 and 111,832.58

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Solution

The fourth proportional to 188,290.10, 259,777.73 and 111,832.58 is: 154,291.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,290.10 : 259,777.73 = 111,832.58 : x
  2. Step 2: Convert to fraction form
    188,290.10/259,777.73 = 111,832.58/x
  3. Step 3: Cross multiply
    188,290.10x = 259,777.73 × 111,832.58
  4. Step 4: Simplify right side
    188,290.10x = 29,051,613,772.44
  5. Step 5: Solve for x
    x = 29,051,613,772.44/188,290.10
  6. Step 6: Final answer
    x = 154,291.78

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1.5x scale

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.