Home / 272,096.20-408,145.02-82,558.12

Finding the Fourth Proportional to 272,096.20, 408,145.02 and 82,558.12

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Solution

The fourth proportional to 272,096.20, 408,145.02 and 82,558.12 is: 123,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,096.20 : 408,145.02 = 82,558.12 : x
  2. Step 2: Convert to fraction form
    272,096.20/408,145.02 = 82,558.12/x
  3. Step 3: Cross multiply
    272,096.20x = 408,145.02 × 82,558.12
  4. Step 4: Simplify right side
    272,096.20x = 33,695,685,538.56
  5. Step 5: Solve for x
    x = 33,695,685,538.56/272,096.20
  6. Step 6: Final answer
    x = 123,837.40

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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.