Home / 165,262.87-228,062.96-89,811.37

Finding the Fourth Proportional to 165,262.87, 228,062.96 and 89,811.37

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Solution

The fourth proportional to 165,262.87, 228,062.96 and 89,811.37 is: 123,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,262.87 : 228,062.96 = 89,811.37 : x
  2. Step 2: Convert to fraction form
    165,262.87/228,062.96 = 89,811.37/x
  3. Step 3: Cross multiply
    165,262.87x = 228,062.96 × 89,811.37
  4. Step 4: Simplify right side
    165,262.87x = 20,482,646,883.86
  5. Step 5: Solve for x
    x = 20,482,646,883.86/165,262.87
  6. Step 6: Final answer
    x = 123,939.80

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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.