Home / 168,375-232,360.74-92,921.88

Finding the Fourth Proportional to 168,375, 232,360.74 and 92,921.88

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Solution

The fourth proportional to 168,375, 232,360.74 and 92,921.88 is: 128,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,375 : 232,360.74 = 92,921.88 : x
  2. Step 2: Convert to fraction form
    168,375/232,360.74 = 92,921.88/x
  3. Step 3: Cross multiply
    168,375x = 232,360.74 × 92,921.88
  4. Step 4: Simplify right side
    168,375x = 21,591,396,798.99
  5. Step 5: Solve for x
    x = 21,591,396,798.99/168,375
  6. Step 6: Final answer
    x = 128,233.98

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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.