Home / 204,446.68-306,671.54-71,326.40

Finding the Fourth Proportional to 204,446.68, 306,671.54 and 71,326.40

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Solution

The fourth proportional to 204,446.68, 306,671.54 and 71,326.40 is: 106,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,446.68 : 306,671.54 = 71,326.40 : x
  2. Step 2: Convert to fraction form
    204,446.68/306,671.54 = 71,326.40/x
  3. Step 3: Cross multiply
    204,446.68x = 306,671.54 × 71,326.40
  4. Step 4: Simplify right side
    204,446.68x = 21,873,776,930.66
  5. Step 5: Solve for x
    x = 21,873,776,930.66/204,446.68
  6. Step 6: Final answer
    x = 106,990.13

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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.