Home / 213,973.50-321,013.55-64,216.59

Finding the Fourth Proportional to 213,973.50, 321,013.55 and 64,216.59

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Solution

The fourth proportional to 213,973.50, 321,013.55 and 64,216.59 is: 96,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,973.50 : 321,013.55 = 64,216.59 : x
  2. Step 2: Convert to fraction form
    213,973.50/321,013.55 = 64,216.59/x
  3. Step 3: Cross multiply
    213,973.50x = 321,013.55 × 64,216.59
  4. Step 4: Simplify right side
    213,973.50x = 20,614,395,524.79
  5. Step 5: Solve for x
    x = 20,614,395,524.79/213,973.50
  6. Step 6: Final answer
    x = 96,340.88

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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.