Home / 165,778.54-228,774.42-90,327.04

Finding the Fourth Proportional to 165,778.54, 228,774.42 and 90,327.04

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Solution

The fourth proportional to 165,778.54, 228,774.42 and 90,327.04 is: 124,651.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,778.54 : 228,774.42 = 90,327.04 : x
  2. Step 2: Convert to fraction form
    165,778.54/228,774.42 = 90,327.04/x
  3. Step 3: Cross multiply
    165,778.54x = 228,774.42 × 90,327.04
  4. Step 4: Simplify right side
    165,778.54x = 20,664,516,186.32
  5. Step 5: Solve for x
    x = 20,664,516,186.32/165,778.54
  6. Step 6: Final answer
    x = 124,651.33

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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.