Home / 259,401.60-357,974.19-140,169.60

Finding the Fourth Proportional to 259,401.60, 357,974.19 and 140,169.60

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Solution

The fourth proportional to 259,401.60, 357,974.19 and 140,169.60 is: 193,434.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,401.60 : 357,974.19 = 140,169.60 : x
  2. Step 2: Convert to fraction form
    259,401.60/357,974.19 = 140,169.60/x
  3. Step 3: Cross multiply
    259,401.60x = 357,974.19 × 140,169.60
  4. Step 4: Simplify right side
    259,401.60x = 50,177,099,022.62
  5. Step 5: Solve for x
    x = 50,177,099,022.62/259,401.60
  6. Step 6: Final answer
    x = 193,434.04

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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.