Home / 205,766.36-283,968.62-115,116.93

Finding the Fourth Proportional to 205,766.36, 283,968.62 and 115,116.93

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Solution

The fourth proportional to 205,766.36, 283,968.62 and 115,116.93 is: 158,867.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,766.36 : 283,968.62 = 115,116.93 : x
  2. Step 2: Convert to fraction form
    205,766.36/283,968.62 = 115,116.93/x
  3. Step 3: Cross multiply
    205,766.36x = 283,968.62 × 115,116.93
  4. Step 4: Simplify right side
    205,766.36x = 32,689,595,606.84
  5. Step 5: Solve for x
    x = 32,689,595,606.84/205,766.36
  6. Step 6: Final answer
    x = 158,867.54

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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.