Home / 165,505.72-228,402.32-93,896.50

Finding the Fourth Proportional to 165,505.72, 228,402.32 and 93,896.50

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Solution

The fourth proportional to 165,505.72, 228,402.32 and 93,896.50 is: 129,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,505.72 : 228,402.32 = 93,896.50 : x
  2. Step 2: Convert to fraction form
    165,505.72/228,402.32 = 93,896.50/x
  3. Step 3: Cross multiply
    165,505.72x = 228,402.32 × 93,896.50
  4. Step 4: Simplify right side
    165,505.72x = 21,446,178,439.88
  5. Step 5: Solve for x
    x = 21,446,178,439.88/165,505.72
  6. Step 6: Final answer
    x = 129,579.68

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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.