Home / 196,964.60-295,521.34-77,107.20

Finding the Fourth Proportional to 196,964.60, 295,521.34 and 77,107.20

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Solution

The fourth proportional to 196,964.60, 295,521.34 and 77,107.20 is: 115,689.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,964.60 : 295,521.34 = 77,107.20 : x
  2. Step 2: Convert to fraction form
    196,964.60/295,521.34 = 77,107.20/x
  3. Step 3: Cross multiply
    196,964.60x = 295,521.34 × 77,107.20
  4. Step 4: Simplify right side
    196,964.60x = 22,786,823,067.65
  5. Step 5: Solve for x
    x = 22,786,823,067.65/196,964.60
  6. Step 6: Final answer
    x = 115,689.94

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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.