Home / 165,526.62-248,314.64-76,789.10

Finding the Fourth Proportional to 165,526.62, 248,314.64 and 76,789.10

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Solution

The fourth proportional to 165,526.62, 248,314.64 and 76,789.10 is: 115,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,526.62 : 248,314.64 = 76,789.10 : x
  2. Step 2: Convert to fraction form
    165,526.62/248,314.64 = 76,789.10/x
  3. Step 3: Cross multiply
    165,526.62x = 248,314.64 × 76,789.10
  4. Step 4: Simplify right side
    165,526.62x = 19,067,856,096.91
  5. Step 5: Solve for x
    x = 19,067,856,096.91/165,526.62
  6. Step 6: Final answer
    x = 115,195.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.