Home / 165,753.91-248,521.94-80,342.16

Finding the Fourth Proportional to 165,753.91, 248,521.94 and 80,342.16

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Solution

The fourth proportional to 165,753.91, 248,521.94 and 80,342.16 is: 120,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,753.91 : 248,521.94 = 80,342.16 : x
  2. Step 2: Convert to fraction form
    165,753.91/248,521.94 = 80,342.16/x
  3. Step 3: Cross multiply
    165,753.91x = 248,521.94 × 80,342.16
  4. Step 4: Simplify right side
    165,753.91x = 19,966,789,832.54
  5. Step 5: Solve for x
    x = 19,966,789,832.54/165,753.91
  6. Step 6: Final answer
    x = 120,460.44

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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.