Home / 165,311.28-228,101.40-93,676.50

Finding the Fourth Proportional to 165,311.28, 228,101.40 and 93,676.50

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Solution

The fourth proportional to 165,311.28, 228,101.40 and 93,676.50 is: 129,257.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,311.28 : 228,101.40 = 93,676.50 : x
  2. Step 2: Convert to fraction form
    165,311.28/228,101.40 = 93,676.50/x
  3. Step 3: Cross multiply
    165,311.28x = 228,101.40 × 93,676.50
  4. Step 4: Simplify right side
    165,311.28x = 21,367,740,797.10
  5. Step 5: Solve for x
    x = 21,367,740,797.10/165,311.28
  6. Step 6: Final answer
    x = 129,257.61

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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.