Home / 165,530.75-228,416.64-92,917.02

Finding the Fourth Proportional to 165,530.75, 228,416.64 and 92,917.02

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Solution

The fourth proportional to 165,530.75, 228,416.64 and 92,917.02 is: 128,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,530.75 : 228,416.64 = 92,917.02 : x
  2. Step 2: Convert to fraction form
    165,530.75/228,416.64 = 92,917.02/x
  3. Step 3: Cross multiply
    165,530.75x = 228,416.64 × 92,917.02
  4. Step 4: Simplify right side
    165,530.75x = 21,223,793,507.21
  5. Step 5: Solve for x
    x = 21,223,793,507.21/165,530.75
  6. Step 6: Final answer
    x = 128,216.62

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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.