Home / 165,288.22-228,102.56-93,665.86

Finding the Fourth Proportional to 165,288.22, 228,102.56 and 93,665.86

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Solution

The fourth proportional to 165,288.22, 228,102.56 and 93,665.86 is: 129,261.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,288.22 : 228,102.56 = 93,665.86 : x
  2. Step 2: Convert to fraction form
    165,288.22/228,102.56 = 93,665.86/x
  3. Step 3: Cross multiply
    165,288.22x = 228,102.56 × 93,665.86
  4. Step 4: Simplify right side
    165,288.22x = 21,365,421,982.27
  5. Step 5: Solve for x
    x = 21,365,421,982.27/165,288.22
  6. Step 6: Final answer
    x = 129,261.61

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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.