Home / 165,229.33-228,017.87-89,777.83

Finding the Fourth Proportional to 165,229.33, 228,017.87 and 89,777.83

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Solution

The fourth proportional to 165,229.33, 228,017.87 and 89,777.83 is: 123,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,229.33 : 228,017.87 = 89,777.83 : x
  2. Step 2: Convert to fraction form
    165,229.33/228,017.87 = 89,777.83/x
  3. Step 3: Cross multiply
    165,229.33x = 228,017.87 × 89,777.83
  4. Step 4: Simplify right side
    165,229.33x = 20,470,949,569.82
  5. Step 5: Solve for x
    x = 20,470,949,569.82/165,229.33
  6. Step 6: Final answer
    x = 123,894.16

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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.