Home / 204,318.76-306,517.02-64,039.72

Finding the Fourth Proportional to 204,318.76, 306,517.02 and 64,039.72

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Solution

The fourth proportional to 204,318.76, 306,517.02 and 64,039.72 is: 96,071.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,318.76 : 306,517.02 = 64,039.72 : x
  2. Step 2: Convert to fraction form
    204,318.76/306,517.02 = 64,039.72/x
  3. Step 3: Cross multiply
    204,318.76x = 306,517.02 × 64,039.72
  4. Step 4: Simplify right side
    204,318.76x = 19,629,264,136.03
  5. Step 5: Solve for x
    x = 19,629,264,136.03/204,318.76
  6. Step 6: Final answer
    x = 96,071.77

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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.