Home / 211,270.26-316,692.03-132,439.74

Finding the Fourth Proportional to 211,270.26, 316,692.03 and 132,439.74

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Solution

The fourth proportional to 211,270.26, 316,692.03 and 132,439.74 is: 198,525.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,270.26 : 316,692.03 = 132,439.74 : x
  2. Step 2: Convert to fraction form
    211,270.26/316,692.03 = 132,439.74/x
  3. Step 3: Cross multiply
    211,270.26x = 316,692.03 × 132,439.74
  4. Step 4: Simplify right side
    211,270.26x = 41,942,610,113.27
  5. Step 5: Solve for x
    x = 41,942,610,113.27/211,270.26
  6. Step 6: Final answer
    x = 198,525.86

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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.