Home / 205,425.09-283,481.31-114,781.80

Finding the Fourth Proportional to 205,425.09, 283,481.31 and 114,781.80

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Solution

The fourth proportional to 205,425.09, 283,481.31 and 114,781.80 is: 158,395.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,425.09 : 283,481.31 = 114,781.80 : x
  2. Step 2: Convert to fraction form
    205,425.09/283,481.31 = 114,781.80/x
  3. Step 3: Cross multiply
    205,425.09x = 283,481.31 × 114,781.80
  4. Step 4: Simplify right side
    205,425.09x = 32,538,495,028.16
  5. Step 5: Solve for x
    x = 32,538,495,028.16/205,425.09
  6. Step 6: Final answer
    x = 158,395.91

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1.5x scale

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.