Home / 165,226.83-228,014.42-89,775.33

Finding the Fourth Proportional to 165,226.83, 228,014.42 and 89,775.33

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Solution

The fourth proportional to 165,226.83, 228,014.42 and 89,775.33 is: 123,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,226.83 : 228,014.42 = 89,775.33 : x
  2. Step 2: Convert to fraction form
    165,226.83/228,014.42 = 89,775.33/x
  3. Step 3: Cross multiply
    165,226.83x = 228,014.42 × 89,775.33
  4. Step 4: Simplify right side
    165,226.83x = 20,470,069,351.38
  5. Step 5: Solve for x
    x = 20,470,069,351.38/165,226.83
  6. Step 6: Final answer
    x = 123,890.71

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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.