Home / 165,705.34-228,600.62-111,970.78

Finding the Fourth Proportional to 165,705.34, 228,600.62 and 111,970.78

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Solution

The fourth proportional to 165,705.34, 228,600.62 and 111,970.78 is: 154,470.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,705.34 : 228,600.62 = 111,970.78 : x
  2. Step 2: Convert to fraction form
    165,705.34/228,600.62 = 111,970.78/x
  3. Step 3: Cross multiply
    165,705.34x = 228,600.62 × 111,970.78
  4. Step 4: Simplify right side
    165,705.34x = 25,596,589,729.88
  5. Step 5: Solve for x
    x = 25,596,589,729.88/165,705.34
  6. Step 6: Final answer
    x = 154,470.52

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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.