Home / 205,895.59-308,932.14-79,624.69

Finding the Fourth Proportional to 205,895.59, 308,932.14 and 79,624.69

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Solution

The fourth proportional to 205,895.59, 308,932.14 and 79,624.69 is: 119,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,895.59 : 308,932.14 = 79,624.69 : x
  2. Step 2: Convert to fraction form
    205,895.59/308,932.14 = 79,624.69/x
  3. Step 3: Cross multiply
    205,895.59x = 308,932.14 × 79,624.69
  4. Step 4: Simplify right side
    205,895.59x = 24,598,625,878.54
  5. Step 5: Solve for x
    x = 24,598,625,878.54/205,895.59
  6. Step 6: Final answer
    x = 119,471.36

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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.