Home / 326,627.57-490,011.39-113,402.23

Finding the Fourth Proportional to 326,627.57, 490,011.39 and 113,402.23

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Solution

The fourth proportional to 326,627.57, 490,011.39 and 113,402.23 is: 170,127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,627.57 : 490,011.39 = 113,402.23 : x
  2. Step 2: Convert to fraction form
    326,627.57/490,011.39 = 113,402.23/x
  3. Step 3: Cross multiply
    326,627.57x = 490,011.39 × 113,402.23
  4. Step 4: Simplify right side
    326,627.57x = 55,568,383,126.37
  5. Step 5: Solve for x
    x = 55,568,383,126.37/326,627.57
  6. Step 6: Final answer
    x = 170,127.66

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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.