Home / 174,324.43-261,626.77-90,109.29

Finding the Fourth Proportional to 174,324.43, 261,626.77 and 90,109.29

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Solution

The fourth proportional to 174,324.43, 261,626.77 and 90,109.29 is: 135,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,324.43 : 261,626.77 = 90,109.29 : x
  2. Step 2: Convert to fraction form
    174,324.43/261,626.77 = 90,109.29/x
  3. Step 3: Cross multiply
    174,324.43x = 261,626.77 × 90,109.29
  4. Step 4: Simplify right side
    174,324.43x = 23,575,002,489.69
  5. Step 5: Solve for x
    x = 23,575,002,489.69/174,324.43
  6. Step 6: Final answer
    x = 135,236.37

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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.