Home / 165,862.06-228,889.66-90,410.56

Finding the Fourth Proportional to 165,862.06, 228,889.66 and 90,410.56

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Solution

The fourth proportional to 165,862.06, 228,889.66 and 90,410.56 is: 124,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,862.06 : 228,889.66 = 90,410.56 : x
  2. Step 2: Convert to fraction form
    165,862.06/228,889.66 = 90,410.56/x
  3. Step 3: Cross multiply
    165,862.06x = 228,889.66 × 90,410.56
  4. Step 4: Simplify right side
    165,862.06x = 20,694,042,338.81
  5. Step 5: Solve for x
    x = 20,694,042,338.81/165,862.06
  6. Step 6: Final answer
    x = 124,766.58

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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.