Home / 204,539.10-306,520.65-162,491.10

Finding the Fourth Proportional to 204,539.10, 306,520.65 and 162,491.10

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Solution

The fourth proportional to 204,539.10, 306,520.65 and 162,491.10 is: 243,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,539.10 : 306,520.65 = 162,491.10 : x
  2. Step 2: Convert to fraction form
    204,539.10/306,520.65 = 162,491.10/x
  3. Step 3: Cross multiply
    204,539.10x = 306,520.65 × 162,491.10
  4. Step 4: Simplify right side
    204,539.10x = 49,806,877,591.22
  5. Step 5: Solve for x
    x = 49,806,877,591.22/204,539.10
  6. Step 6: Final answer
    x = 243,507.86

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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.