Home / 205,974.60-308,573.10-105,793.80

Finding the Fourth Proportional to 205,974.60, 308,573.10 and 105,793.80

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Solution

The fourth proportional to 205,974.60, 308,573.10 and 105,793.80 is: 158,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,974.60 : 308,573.10 = 105,793.80 : x
  2. Step 2: Convert to fraction form
    205,974.60/308,573.10 = 105,793.80/x
  3. Step 3: Cross multiply
    205,974.60x = 308,573.10 × 105,793.80
  4. Step 4: Simplify right side
    205,974.60x = 32,645,120,826.78
  5. Step 5: Solve for x
    x = 32,645,120,826.78/205,974.60
  6. Step 6: Final answer
    x = 158,491.00

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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.