Home / 168,923.27-233,107.07-100,977.64

Finding the Fourth Proportional to 168,923.27, 233,107.07 and 100,977.64

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Solution

The fourth proportional to 168,923.27, 233,107.07 and 100,977.64 is: 139,344.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,923.27 : 233,107.07 = 100,977.64 : x
  2. Step 2: Convert to fraction form
    168,923.27/233,107.07 = 100,977.64/x
  3. Step 3: Cross multiply
    168,923.27x = 233,107.07 × 100,977.64
  4. Step 4: Simplify right side
    168,923.27x = 23,538,600,708.26
  5. Step 5: Solve for x
    x = 23,538,600,708.26/168,923.27
  6. Step 6: Final answer
    x = 139,344.92

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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.