Home / 230,190.90-317,679.38-139,550.69

Finding the Fourth Proportional to 230,190.90, 317,679.38 and 139,550.69

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Solution

The fourth proportional to 230,190.90, 317,679.38 and 139,550.69 is: 192,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,190.90 : 317,679.38 = 139,550.69 : x
  2. Step 2: Convert to fraction form
    230,190.90/317,679.38 = 139,550.69/x
  3. Step 3: Cross multiply
    230,190.90x = 317,679.38 × 139,550.69
  4. Step 4: Simplify right side
    230,190.90x = 44,332,374,391.62
  5. Step 5: Solve for x
    x = 44,332,374,391.62/230,190.90
  6. Step 6: Final answer
    x = 192,589.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.