Home / 165,243.32-228,036.38-89,791.80

Finding the Fourth Proportional to 165,243.32, 228,036.38 and 89,791.80

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Solution

The fourth proportional to 165,243.32, 228,036.38 and 89,791.80 is: 123,913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,243.32 : 228,036.38 = 89,791.80 : x
  2. Step 2: Convert to fraction form
    165,243.32/228,036.38 = 89,791.80/x
  3. Step 3: Cross multiply
    165,243.32x = 228,036.38 × 89,791.80
  4. Step 4: Simplify right side
    165,243.32x = 20,475,797,025.68
  5. Step 5: Solve for x
    x = 20,475,797,025.68/165,243.32
  6. Step 6: Final answer
    x = 123,913.01

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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.