Home / 156,568.20-234,752.40-103,198.56

Finding the Fourth Proportional to 156,568.20, 234,752.40 and 103,198.56

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Solution

The fourth proportional to 156,568.20, 234,752.40 and 103,198.56 is: 154,731.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,568.20 : 234,752.40 = 103,198.56 : x
  2. Step 2: Convert to fraction form
    156,568.20/234,752.40 = 103,198.56/x
  3. Step 3: Cross multiply
    156,568.20x = 234,752.40 × 103,198.56
  4. Step 4: Simplify right side
    156,568.20x = 24,226,109,636.54
  5. Step 5: Solve for x
    x = 24,226,109,636.54/156,568.20
  6. Step 6: Final answer
    x = 154,731.99

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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.