Home / 168,928.20-233,190.90-108,502.20

Finding the Fourth Proportional to 168,928.20, 233,190.90 and 108,502.20

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Solution

The fourth proportional to 168,928.20, 233,190.90 and 108,502.20 is: 149,777.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,928.20 : 233,190.90 = 108,502.20 : x
  2. Step 2: Convert to fraction form
    168,928.20/233,190.90 = 108,502.20/x
  3. Step 3: Cross multiply
    168,928.20x = 233,190.90 × 108,502.20
  4. Step 4: Simplify right side
    168,928.20x = 25,301,725,669.98
  5. Step 5: Solve for x
    x = 25,301,725,669.98/168,928.20
  6. Step 6: Final answer
    x = 149,777.99

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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.