Home / 168,935.19-233,131.21-108,506.35

Finding the Fourth Proportional to 168,935.19, 233,131.21 and 108,506.35

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Solution

The fourth proportional to 168,935.19, 233,131.21 and 108,506.35 is: 149,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,935.19 : 233,131.21 = 108,506.35 : x
  2. Step 2: Convert to fraction form
    168,935.19/233,131.21 = 108,506.35/x
  3. Step 3: Cross multiply
    168,935.19x = 233,131.21 × 108,506.35
  4. Step 4: Simplify right side
    168,935.19x = 25,296,217,298.68
  5. Step 5: Solve for x
    x = 25,296,217,298.68/168,935.19
  6. Step 6: Final answer
    x = 149,739.19

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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.