Home / 165,431.83-228,113.56-114,355.89

Finding the Fourth Proportional to 165,431.83, 228,113.56 and 114,355.89

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Solution

The fourth proportional to 165,431.83, 228,113.56 and 114,355.89 is: 157,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,431.83 : 228,113.56 = 114,355.89 : x
  2. Step 2: Convert to fraction form
    165,431.83/228,113.56 = 114,355.89/x
  3. Step 3: Cross multiply
    165,431.83x = 228,113.56 × 114,355.89
  4. Step 4: Simplify right side
    165,431.83x = 26,086,129,174.87
  5. Step 5: Solve for x
    x = 26,086,129,174.87/165,431.83
  6. Step 6: Final answer
    x = 157,685.07

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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.