Home / 204,271.53-306,436.02-54,516.72

Finding the Fourth Proportional to 204,271.53, 306,436.02 and 54,516.72

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Solution

The fourth proportional to 204,271.53, 306,436.02 and 54,516.72 is: 81,782.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,271.53 : 306,436.02 = 54,516.72 : x
  2. Step 2: Convert to fraction form
    204,271.53/306,436.02 = 54,516.72/x
  3. Step 3: Cross multiply
    204,271.53x = 306,436.02 × 54,516.72
  4. Step 4: Simplify right side
    204,271.53x = 16,705,886,700.25
  5. Step 5: Solve for x
    x = 16,705,886,700.25/204,271.53
  6. Step 6: Final answer
    x = 81,782.75

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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.