Home / 165,066.37-227,789.76-93,445.78

Finding the Fourth Proportional to 165,066.37, 227,789.76 and 93,445.78

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Solution

The fourth proportional to 165,066.37, 227,789.76 and 93,445.78 is: 128,954.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,066.37 : 227,789.76 = 93,445.78 : x
  2. Step 2: Convert to fraction form
    165,066.37/227,789.76 = 93,445.78/x
  3. Step 3: Cross multiply
    165,066.37x = 227,789.76 × 93,445.78
  4. Step 4: Simplify right side
    165,066.37x = 21,285,991,799.21
  5. Step 5: Solve for x
    x = 21,285,991,799.21/165,066.37
  6. Step 6: Final answer
    x = 128,954.14

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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.