Home / 165,147.26-227,904.38-89,695.76

Finding the Fourth Proportional to 165,147.26, 227,904.38 and 89,695.76

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Solution

The fourth proportional to 165,147.26, 227,904.38 and 89,695.76 is: 123,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,147.26 : 227,904.38 = 89,695.76 : x
  2. Step 2: Convert to fraction form
    165,147.26/227,904.38 = 89,695.76/x
  3. Step 3: Cross multiply
    165,147.26x = 227,904.38 × 89,695.76
  4. Step 4: Simplify right side
    165,147.26x = 20,442,054,983.43
  5. Step 5: Solve for x
    x = 20,442,054,983.43/165,147.26
  6. Step 6: Final answer
    x = 123,780.77

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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.