Home / 166,315.76-229,758.60-143,920.88

Finding the Fourth Proportional to 166,315.76, 229,758.60 and 143,920.88

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Solution

The fourth proportional to 166,315.76, 229,758.60 and 143,920.88 is: 198,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,315.76 : 229,758.60 = 143,920.88 : x
  2. Step 2: Convert to fraction form
    166,315.76/229,758.60 = 143,920.88/x
  3. Step 3: Cross multiply
    166,315.76x = 229,758.60 × 143,920.88
  4. Step 4: Simplify right side
    166,315.76x = 33,067,059,899.57
  5. Step 5: Solve for x
    x = 33,067,059,899.57/166,315.76
  6. Step 6: Final answer
    x = 198,820.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.