Home / 205,620.30-283,756.77-119,599.92

Finding the Fourth Proportional to 205,620.30, 283,756.77 and 119,599.92

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Solution

The fourth proportional to 205,620.30, 283,756.77 and 119,599.92 is: 165,048.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,620.30 : 283,756.77 = 119,599.92 : x
  2. Step 2: Convert to fraction form
    205,620.30/283,756.77 = 119,599.92/x
  3. Step 3: Cross multiply
    205,620.30x = 283,756.77 × 119,599.92
  4. Step 4: Simplify right side
    205,620.30x = 33,937,286,991.46
  5. Step 5: Solve for x
    x = 33,937,286,991.46/205,620.30
  6. Step 6: Final answer
    x = 165,048.33

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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.