Home / 156,974.90-235,451.55-50,357.30

Finding the Fourth Proportional to 156,974.90, 235,451.55 and 50,357.30

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Solution

The fourth proportional to 156,974.90, 235,451.55 and 50,357.30 is: 75,532.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.90 : 235,451.55 = 50,357.30 : x
  2. Step 2: Convert to fraction form
    156,974.90/235,451.55 = 50,357.30/x
  3. Step 3: Cross multiply
    156,974.90x = 235,451.55 × 50,357.30
  4. Step 4: Simplify right side
    156,974.90x = 11,856,704,338.82
  5. Step 5: Solve for x
    x = 11,856,704,338.82/156,974.90
  6. Step 6: Final answer
    x = 75,532.49

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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.