Home / 209,992.22-314,677.17-172,816.46

Finding the Fourth Proportional to 209,992.22, 314,677.17 and 172,816.46

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Solution

The fourth proportional to 209,992.22, 314,677.17 and 172,816.46 is: 258,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,992.22 : 314,677.17 = 172,816.46 : x
  2. Step 2: Convert to fraction form
    209,992.22/314,677.17 = 172,816.46/x
  3. Step 3: Cross multiply
    209,992.22x = 314,677.17 × 172,816.46
  4. Step 4: Simplify right side
    209,992.22x = 54,381,394,562.22
  5. Step 5: Solve for x
    x = 54,381,394,562.22/209,992.22
  6. Step 6: Final answer
    x = 258,968.62

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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.