Home / 309,198.29-463,785.27-129,237.23

Finding the Fourth Proportional to 309,198.29, 463,785.27 and 129,237.23

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Solution

The fourth proportional to 309,198.29, 463,785.27 and 129,237.23 is: 193,850.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,198.29 : 463,785.27 = 129,237.23 : x
  2. Step 2: Convert to fraction form
    309,198.29/463,785.27 = 129,237.23/x
  3. Step 3: Cross multiply
    309,198.29x = 463,785.27 × 129,237.23
  4. Step 4: Simplify right side
    309,198.29x = 59,938,321,290.68
  5. Step 5: Solve for x
    x = 59,938,321,290.68/309,198.29
  6. Step 6: Final answer
    x = 193,850.76

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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.