Home / 165,513.76-228,408.36-93,907.60

Finding the Fourth Proportional to 165,513.76, 228,408.36 and 93,907.60

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Solution

The fourth proportional to 165,513.76, 228,408.36 and 93,907.60 is: 129,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,513.76 : 228,408.36 = 93,907.60 : x
  2. Step 2: Convert to fraction form
    165,513.76/228,408.36 = 93,907.60/x
  3. Step 3: Cross multiply
    165,513.76x = 228,408.36 × 93,907.60
  4. Step 4: Simplify right side
    165,513.76x = 21,449,280,907.54
  5. Step 5: Solve for x
    x = 21,449,280,907.54/165,513.76
  6. Step 6: Final answer
    x = 129,592.13

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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.