Home / 118,836.66-163,933.24-80,583.27

Finding the Fourth Proportional to 118,836.66, 163,933.24 and 80,583.27

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Solution

The fourth proportional to 118,836.66, 163,933.24 and 80,583.27 is: 111,163.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,836.66 : 163,933.24 = 80,583.27 : x
  2. Step 2: Convert to fraction form
    118,836.66/163,933.24 = 80,583.27/x
  3. Step 3: Cross multiply
    118,836.66x = 163,933.24 × 80,583.27
  4. Step 4: Simplify right side
    118,836.66x = 13,210,276,540.89
  5. Step 5: Solve for x
    x = 13,210,276,540.89/118,836.66
  6. Step 6: Final answer
    x = 111,163.31

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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.