Home / 205,773.46-283,951.88-115,112.75

Finding the Fourth Proportional to 205,773.46, 283,951.88 and 115,112.75

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Solution

The fourth proportional to 205,773.46, 283,951.88 and 115,112.75 is: 158,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,773.46 : 283,951.88 = 115,112.75 : x
  2. Step 2: Convert to fraction form
    205,773.46/283,951.88 = 115,112.75/x
  3. Step 3: Cross multiply
    205,773.46x = 283,951.88 × 115,112.75
  4. Step 4: Simplify right side
    205,773.46x = 32,686,480,210.82
  5. Step 5: Solve for x
    x = 32,686,480,210.82/205,773.46
  6. Step 6: Final answer
    x = 158,846.92

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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.