Home / 259,519.32-358,137.18-140,287.32

Finding the Fourth Proportional to 259,519.32, 358,137.18 and 140,287.32

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Solution

The fourth proportional to 259,519.32, 358,137.18 and 140,287.32 is: 193,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,519.32 : 358,137.18 = 140,287.32 : x
  2. Step 2: Convert to fraction form
    259,519.32/358,137.18 = 140,287.32/x
  3. Step 3: Cross multiply
    259,519.32x = 358,137.18 × 140,287.32
  4. Step 4: Simplify right side
    259,519.32x = 50,242,105,174.56
  5. Step 5: Solve for x
    x = 50,242,105,174.56/259,519.32
  6. Step 6: Final answer
    x = 193,596.78

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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.