Home / 165,233.34-228,022.62-89,781.84

Finding the Fourth Proportional to 165,233.34, 228,022.62 and 89,781.84

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Solution

The fourth proportional to 165,233.34, 228,022.62 and 89,781.84 is: 123,899.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,233.34 : 228,022.62 = 89,781.84 : x
  2. Step 2: Convert to fraction form
    165,233.34/228,022.62 = 89,781.84/x
  3. Step 3: Cross multiply
    165,233.34x = 228,022.62 × 89,781.84
  4. Step 4: Simplify right side
    165,233.34x = 20,472,290,385.22
  5. Step 5: Solve for x
    x = 20,472,290,385.22/165,233.34
  6. Step 6: Final answer
    x = 123,899.27

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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.