Home / 188,074.23-259,540.11-103,191.23

Finding the Fourth Proportional to 188,074.23, 259,540.11 and 103,191.23

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Solution

The fourth proportional to 188,074.23, 259,540.11 and 103,191.23 is: 142,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,074.23 : 259,540.11 = 103,191.23 : x
  2. Step 2: Convert to fraction form
    188,074.23/259,540.11 = 103,191.23/x
  3. Step 3: Cross multiply
    188,074.23x = 259,540.11 × 103,191.23
  4. Step 4: Simplify right side
    188,074.23x = 26,782,261,887.53
  5. Step 5: Solve for x
    x = 26,782,261,887.53/188,074.23
  6. Step 6: Final answer
    x = 142,402.61

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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.