Home / 165,276.56-228,080.40-89,825.60

Finding the Fourth Proportional to 165,276.56, 228,080.40 and 89,825.60

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Solution

The fourth proportional to 165,276.56, 228,080.40 and 89,825.60 is: 123,958.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,276.56 : 228,080.40 = 89,825.60 : x
  2. Step 2: Convert to fraction form
    165,276.56/228,080.40 = 89,825.60/x
  3. Step 3: Cross multiply
    165,276.56x = 228,080.40 × 89,825.60
  4. Step 4: Simplify right side
    165,276.56x = 20,487,458,778.24
  5. Step 5: Solve for x
    x = 20,487,458,778.24/165,276.56
  6. Step 6: Final answer
    x = 123,958.65

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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.