Home / 165,311.10-247,966.65-82,367.10

Finding the Fourth Proportional to 165,311.10, 247,966.65 and 82,367.10

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Solution

The fourth proportional to 165,311.10, 247,966.65 and 82,367.10 is: 123,550.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,311.10 : 247,966.65 = 82,367.10 : x
  2. Step 2: Convert to fraction form
    165,311.10/247,966.65 = 82,367.10/x
  3. Step 3: Cross multiply
    165,311.10x = 247,966.65 × 82,367.10
  4. Step 4: Simplify right side
    165,311.10x = 20,424,293,857.22
  5. Step 5: Solve for x
    x = 20,424,293,857.22/165,311.10
  6. Step 6: Final answer
    x = 123,550.65

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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.