Home / 165,743.18-228,725.62-94,134.12

Finding the Fourth Proportional to 165,743.18, 228,725.62 and 94,134.12

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Solution

The fourth proportional to 165,743.18, 228,725.62 and 94,134.12 is: 129,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,743.18 : 228,725.62 = 94,134.12 : x
  2. Step 2: Convert to fraction form
    165,743.18/228,725.62 = 94,134.12/x
  3. Step 3: Cross multiply
    165,743.18x = 228,725.62 × 94,134.12
  4. Step 4: Simplify right side
    165,743.18x = 21,530,884,396.60
  5. Step 5: Solve for x
    x = 21,530,884,396.60/165,743.18
  6. Step 6: Final answer
    x = 129,905.10

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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.