Home / 165,324.30-247,986.45-109,337.10

Finding the Fourth Proportional to 165,324.30, 247,986.45 and 109,337.10

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Solution

The fourth proportional to 165,324.30, 247,986.45 and 109,337.10 is: 164,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,324.30 : 247,986.45 = 109,337.10 : x
  2. Step 2: Convert to fraction form
    165,324.30/247,986.45 = 109,337.10/x
  3. Step 3: Cross multiply
    165,324.30x = 247,986.45 × 109,337.10
  4. Step 4: Simplify right side
    165,324.30x = 27,114,119,282.30
  5. Step 5: Solve for x
    x = 27,114,119,282.30/165,324.30
  6. Step 6: Final answer
    x = 164,005.65

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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.