Home / 257,634.33-386,264.66-173,185.04

Finding the Fourth Proportional to 257,634.33, 386,264.66 and 173,185.04

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Solution

The fourth proportional to 257,634.33, 386,264.66 and 173,185.04 is: 259,651.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,634.33 : 386,264.66 = 173,185.04 : x
  2. Step 2: Convert to fraction form
    257,634.33/386,264.66 = 173,185.04/x
  3. Step 3: Cross multiply
    257,634.33x = 386,264.66 × 173,185.04
  4. Step 4: Simplify right side
    257,634.33x = 66,895,259,094.33
  5. Step 5: Solve for x
    x = 66,895,259,094.33/257,634.33
  6. Step 6: Final answer
    x = 259,651.96

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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.