Home / 205,743.74-283,983.42-119,719.30

Finding the Fourth Proportional to 205,743.74, 283,983.42 and 119,719.30

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Solution

The fourth proportional to 205,743.74, 283,983.42 and 119,719.30 is: 165,245.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,743.74 : 283,983.42 = 119,719.30 : x
  2. Step 2: Convert to fraction form
    205,743.74/283,983.42 = 119,719.30/x
  3. Step 3: Cross multiply
    205,743.74x = 283,983.42 × 119,719.30
  4. Step 4: Simplify right side
    205,743.74x = 33,998,296,254.01
  5. Step 5: Solve for x
    x = 33,998,296,254.01/205,743.74
  6. Step 6: Final answer
    x = 165,245.84

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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.