Home / 165,358.16-228,193.96-89,906.48

Finding the Fourth Proportional to 165,358.16, 228,193.96 and 89,906.48

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Solution

The fourth proportional to 165,358.16, 228,193.96 and 89,906.48 is: 124,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,358.16 : 228,193.96 = 89,906.48 : x
  2. Step 2: Convert to fraction form
    165,358.16/228,193.96 = 89,906.48/x
  3. Step 3: Cross multiply
    165,358.16x = 228,193.96 × 89,906.48
  4. Step 4: Simplify right side
    165,358.16x = 20,516,115,700.86
  5. Step 5: Solve for x
    x = 20,516,115,700.86/165,358.16
  6. Step 6: Final answer
    x = 124,070.78

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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.