Home / 211,265.82-316,685.16-132,435.27

Finding the Fourth Proportional to 211,265.82, 316,685.16 and 132,435.27

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Solution

The fourth proportional to 211,265.82, 316,685.16 and 132,435.27 is: 198,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,265.82 : 316,685.16 = 132,435.27 : x
  2. Step 2: Convert to fraction form
    211,265.82/316,685.16 = 132,435.27/x
  3. Step 3: Cross multiply
    211,265.82x = 316,685.16 × 132,435.27
  4. Step 4: Simplify right side
    211,265.82x = 41,940,284,669.59
  5. Step 5: Solve for x
    x = 41,940,284,669.59/211,265.82
  6. Step 6: Final answer
    x = 198,519.03

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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.