Home / 168,480.19-232,313.12-137,757.43

Finding the Fourth Proportional to 168,480.19, 232,313.12 and 137,757.43

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Solution

The fourth proportional to 168,480.19, 232,313.12 and 137,757.43 is: 189,950.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,480.19 : 232,313.12 = 137,757.43 : x
  2. Step 2: Convert to fraction form
    168,480.19/232,313.12 = 137,757.43/x
  3. Step 3: Cross multiply
    168,480.19x = 232,313.12 × 137,757.43
  4. Step 4: Simplify right side
    168,480.19x = 32,002,857,096.91
  5. Step 5: Solve for x
    x = 32,002,857,096.91/168,480.19
  6. Step 6: Final answer
    x = 189,950.27

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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.