Home / 168,628.86-232,687.92-100,633.26

Finding the Fourth Proportional to 168,628.86, 232,687.92 and 100,633.26

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Solution

The fourth proportional to 168,628.86, 232,687.92 and 100,633.26 is: 138,862.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,628.86 : 232,687.92 = 100,633.26 : x
  2. Step 2: Convert to fraction form
    168,628.86/232,687.92 = 100,633.26/x
  3. Step 3: Cross multiply
    168,628.86x = 232,687.92 × 100,633.26
  4. Step 4: Simplify right side
    168,628.86x = 23,416,143,952.22
  5. Step 5: Solve for x
    x = 23,416,143,952.22/168,628.86
  6. Step 6: Final answer
    x = 138,862.02

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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.