Home / 205,789.17-308,704.02-63,628.92

Finding the Fourth Proportional to 205,789.17, 308,704.02 and 63,628.92

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Solution

The fourth proportional to 205,789.17, 308,704.02 and 63,628.92 is: 95,449.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,789.17 : 308,704.02 = 63,628.92 : x
  2. Step 2: Convert to fraction form
    205,789.17/308,704.02 = 63,628.92/x
  3. Step 3: Cross multiply
    205,789.17x = 308,704.02 × 63,628.92
  4. Step 4: Simplify right side
    205,789.17x = 19,642,503,392.26
  5. Step 5: Solve for x
    x = 19,642,503,392.26/205,789.17
  6. Step 6: Final answer
    x = 95,449.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.