Home / 165,287.64-228,097.26-89,835.96

Finding the Fourth Proportional to 165,287.64, 228,097.26 and 89,835.96

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Solution

The fourth proportional to 165,287.64, 228,097.26 and 89,835.96 is: 123,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,287.64 : 228,097.26 = 89,835.96 : x
  2. Step 2: Convert to fraction form
    165,287.64/228,097.26 = 89,835.96/x
  3. Step 3: Cross multiply
    165,287.64x = 228,097.26 × 89,835.96
  4. Step 4: Simplify right side
    165,287.64x = 20,491,336,325.47
  5. Step 5: Solve for x
    x = 20,491,336,325.47/165,287.64
  6. Step 6: Final answer
    x = 123,973.80

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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.