Home / 165,147.12-247,720.68-66,582

Finding the Fourth Proportional to 165,147.12, 247,720.68 and 66,582

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Solution

The fourth proportional to 165,147.12, 247,720.68 and 66,582 is: 99,873

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,147.12 : 247,720.68 = 66,582 : x
  2. Step 2: Convert to fraction form
    165,147.12/247,720.68 = 66,582/x
  3. Step 3: Cross multiply
    165,147.12x = 247,720.68 × 66,582
  4. Step 4: Simplify right side
    165,147.12x = 16,493,738,315.76
  5. Step 5: Solve for x
    x = 16,493,738,315.76/165,147.12
  6. Step 6: Final answer
    x = 99,873

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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.