Home / 103,634.10-155,232.45-92,553.30

Finding the Fourth Proportional to 103,634.10, 155,232.45 and 92,553.30

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Solution

The fourth proportional to 103,634.10, 155,232.45 and 92,553.30 is: 138,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.10 : 155,232.45 = 92,553.30 : x
  2. Step 2: Convert to fraction form
    103,634.10/155,232.45 = 92,553.30/x
  3. Step 3: Cross multiply
    103,634.10x = 155,232.45 × 92,553.30
  4. Step 4: Simplify right side
    103,634.10x = 14,367,275,514.59
  5. Step 5: Solve for x
    x = 14,367,275,514.59/103,634.10
  6. Step 6: Final answer
    x = 138,634.63

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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.