Home / 165,408.76-228,265.86-89,957.44

Finding the Fourth Proportional to 165,408.76, 228,265.86 and 89,957.44

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Solution

The fourth proportional to 165,408.76, 228,265.86 and 89,957.44 is: 124,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,408.76 : 228,265.86 = 89,957.44 : x
  2. Step 2: Convert to fraction form
    165,408.76/228,265.86 = 89,957.44/x
  3. Step 3: Cross multiply
    165,408.76x = 228,265.86 × 89,957.44
  4. Step 4: Simplify right side
    165,408.76x = 20,534,212,405.00
  5. Step 5: Solve for x
    x = 20,534,212,405.00/165,408.76
  6. Step 6: Final answer
    x = 124,142.23

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1.5x scale

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.