Home / 259,983.72-389,975.70-93,771.72

Finding the Fourth Proportional to 259,983.72, 389,975.70 and 93,771.72

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Solution

The fourth proportional to 259,983.72, 389,975.70 and 93,771.72 is: 140,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,983.72 : 389,975.70 = 93,771.72 : x
  2. Step 2: Convert to fraction form
    259,983.72/389,975.70 = 93,771.72/x
  3. Step 3: Cross multiply
    259,983.72x = 389,975.70 × 93,771.72
  4. Step 4: Simplify right side
    259,983.72x = 36,568,692,147.20
  5. Step 5: Solve for x
    x = 36,568,692,147.20/259,983.72
  6. Step 6: Final answer
    x = 140,657.62

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1.5x scale

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.