Home / 196,891.11-295,409.31-159,288.89

Finding the Fourth Proportional to 196,891.11, 295,409.31 and 159,288.89

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Solution

The fourth proportional to 196,891.11, 295,409.31 and 159,288.89 is: 238,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,891.11 : 295,409.31 = 159,288.89 : x
  2. Step 2: Convert to fraction form
    196,891.11/295,409.31 = 159,288.89/x
  3. Step 3: Cross multiply
    196,891.11x = 295,409.31 × 159,288.89
  4. Step 4: Simplify right side
    196,891.11x = 47,055,421,648.28
  5. Step 5: Solve for x
    x = 47,055,421,648.28/196,891.11
  6. Step 6: Final answer
    x = 238,992.11

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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.