Home / 205,731.11-283,897.88-113,846.36

Finding the Fourth Proportional to 205,731.11, 283,897.88 and 113,846.36

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Solution

The fourth proportional to 205,731.11, 283,897.88 and 113,846.36 is: 157,101.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,731.11 : 283,897.88 = 113,846.36 : x
  2. Step 2: Convert to fraction form
    205,731.11/283,897.88 = 113,846.36/x
  3. Step 3: Cross multiply
    205,731.11x = 283,897.88 × 113,846.36
  4. Step 4: Simplify right side
    205,731.11x = 32,320,740,959.46
  5. Step 5: Solve for x
    x = 32,320,740,959.46/205,731.11
  6. Step 6: Final answer
    x = 157,101.86

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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.