Home / 165,583.60-228,499-93,959.36

Finding the Fourth Proportional to 165,583.60, 228,499 and 93,959.36

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Solution

The fourth proportional to 165,583.60, 228,499 and 93,959.36 is: 129,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,583.60 : 228,499 = 93,959.36 : x
  2. Step 2: Convert to fraction form
    165,583.60/228,499 = 93,959.36/x
  3. Step 3: Cross multiply
    165,583.60x = 228,499 × 93,959.36
  4. Step 4: Simplify right side
    165,583.60x = 21,469,619,800.64
  5. Step 5: Solve for x
    x = 21,469,619,800.64/165,583.60
  6. Step 6: Final answer
    x = 129,660.30

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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.