Home / 165,764.20-248,646.30-82,820.20

Finding the Fourth Proportional to 165,764.20, 248,646.30 and 82,820.20

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Solution

The fourth proportional to 165,764.20, 248,646.30 and 82,820.20 is: 124,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,764.20 : 248,646.30 = 82,820.20 : x
  2. Step 2: Convert to fraction form
    165,764.20/248,646.30 = 82,820.20/x
  3. Step 3: Cross multiply
    165,764.20x = 248,646.30 × 82,820.20
  4. Step 4: Simplify right side
    165,764.20x = 20,592,936,295.26
  5. Step 5: Solve for x
    x = 20,592,936,295.26/165,764.20
  6. Step 6: Final answer
    x = 124,230.30

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1.5x scale

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.