Home / 174,626.15-261,720.05-74,668.77

Finding the Fourth Proportional to 174,626.15, 261,720.05 and 74,668.77

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Solution

The fourth proportional to 174,626.15, 261,720.05 and 74,668.77 is: 111,909.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,626.15 : 261,720.05 = 74,668.77 : x
  2. Step 2: Convert to fraction form
    174,626.15/261,720.05 = 74,668.77/x
  3. Step 3: Cross multiply
    174,626.15x = 261,720.05 × 74,668.77
  4. Step 4: Simplify right side
    174,626.15x = 19,542,313,844.49
  5. Step 5: Solve for x
    x = 19,542,313,844.49/174,626.15
  6. Step 6: Final answer
    x = 111,909.44

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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.