Home / 118,183.80-163,148.79-75,766.56

Finding the Fourth Proportional to 118,183.80, 163,148.79 and 75,766.56

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Solution

The fourth proportional to 118,183.80, 163,148.79 and 75,766.56 is: 104,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,183.80 : 163,148.79 = 75,766.56 : x
  2. Step 2: Convert to fraction form
    118,183.80/163,148.79 = 75,766.56/x
  3. Step 3: Cross multiply
    118,183.80x = 163,148.79 × 75,766.56
  4. Step 4: Simplify right side
    118,183.80x = 12,361,222,586.46
  5. Step 5: Solve for x
    x = 12,361,222,586.46/118,183.80
  6. Step 6: Final answer
    x = 104,593.21

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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.