Home / 204,715.19-306,839.85-124,576.41

Finding the Fourth Proportional to 204,715.19, 306,839.85 and 124,576.41

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Solution

The fourth proportional to 204,715.19, 306,839.85 and 124,576.41 is: 186,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,715.19 : 306,839.85 = 124,576.41 : x
  2. Step 2: Convert to fraction form
    204,715.19/306,839.85 = 124,576.41/x
  3. Step 3: Cross multiply
    204,715.19x = 306,839.85 × 124,576.41
  4. Step 4: Simplify right side
    204,715.19x = 38,225,006,957.94
  5. Step 5: Solve for x
    x = 38,225,006,957.94/204,715.19
  6. Step 6: Final answer
    x = 186,722.87

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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.