Home / 165,236.26-228,025.57-89,784.74

Finding the Fourth Proportional to 165,236.26, 228,025.57 and 89,784.74

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Solution

The fourth proportional to 165,236.26, 228,025.57 and 89,784.74 is: 123,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,236.26 : 228,025.57 = 89,784.74 : x
  2. Step 2: Convert to fraction form
    165,236.26/228,025.57 = 89,784.74/x
  3. Step 3: Cross multiply
    165,236.26x = 228,025.57 × 89,784.74
  4. Step 4: Simplify right side
    165,236.26x = 20,473,216,515.80
  5. Step 5: Solve for x
    x = 20,473,216,515.80/165,236.26
  6. Step 6: Final answer
    x = 123,902.69

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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.