Home / 211,193.43-316,820.97-61,414.30

Finding the Fourth Proportional to 211,193.43, 316,820.97 and 61,414.30

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Solution

The fourth proportional to 211,193.43, 316,820.97 and 61,414.30 is: 92,130.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,193.43 : 316,820.97 = 61,414.30 : x
  2. Step 2: Convert to fraction form
    211,193.43/316,820.97 = 61,414.30/x
  3. Step 3: Cross multiply
    211,193.43x = 316,820.97 × 61,414.30
  4. Step 4: Simplify right side
    211,193.43x = 19,457,338,493.90
  5. Step 5: Solve for x
    x = 19,457,338,493.90/211,193.43
  6. Step 6: Final answer
    x = 92,130.42

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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.