Home / 206,819.12-285,400.77-114,934.14

Finding the Fourth Proportional to 206,819.12, 285,400.77 and 114,934.14

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Solution

The fourth proportional to 206,819.12, 285,400.77 and 114,934.14 is: 158,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,819.12 : 285,400.77 = 114,934.14 : x
  2. Step 2: Convert to fraction form
    206,819.12/285,400.77 = 114,934.14/x
  3. Step 3: Cross multiply
    206,819.12x = 285,400.77 × 114,934.14
  4. Step 4: Simplify right side
    206,819.12x = 32,802,291,624.28
  5. Step 5: Solve for x
    x = 32,802,291,624.28/206,819.12
  6. Step 6: Final answer
    x = 158,603.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.