Home / 165,959.56-229,027.06-90,508.68

Finding the Fourth Proportional to 165,959.56, 229,027.06 and 90,508.68

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Solution

The fourth proportional to 165,959.56, 229,027.06 and 90,508.68 is: 124,903.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,959.56 : 229,027.06 = 90,508.68 : x
  2. Step 2: Convert to fraction form
    165,959.56/229,027.06 = 90,508.68/x
  3. Step 3: Cross multiply
    165,959.56x = 229,027.06 × 90,508.68
  4. Step 4: Simplify right side
    165,959.56x = 20,728,936,884.88
  5. Step 5: Solve for x
    x = 20,728,936,884.88/165,959.56
  6. Step 6: Final answer
    x = 124,903.54

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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.