Home / 165,238.45-228,029.29-93,623.31

Finding the Fourth Proportional to 165,238.45, 228,029.29 and 93,623.31

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Solution

The fourth proportional to 165,238.45, 228,029.29 and 93,623.31 is: 129,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,238.45 : 228,029.29 = 93,623.31 : x
  2. Step 2: Convert to fraction form
    165,238.45/228,029.29 = 93,623.31/x
  3. Step 3: Cross multiply
    165,238.45x = 228,029.29 × 93,623.31
  4. Step 4: Simplify right side
    165,238.45x = 21,348,856,672.69
  5. Step 5: Solve for x
    x = 21,348,856,672.69/165,238.45
  6. Step 6: Final answer
    x = 129,200.30

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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.