Home / 156,912.90-235,358.55-50,295.30

Finding the Fourth Proportional to 156,912.90, 235,358.55 and 50,295.30

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Solution

The fourth proportional to 156,912.90, 235,358.55 and 50,295.30 is: 75,439.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,912.90 : 235,358.55 = 50,295.30 : x
  2. Step 2: Convert to fraction form
    156,912.90/235,358.55 = 50,295.30/x
  3. Step 3: Cross multiply
    156,912.90x = 235,358.55 × 50,295.30
  4. Step 4: Simplify right side
    156,912.90x = 11,837,428,879.82
  5. Step 5: Solve for x
    x = 11,837,428,879.82/156,912.90
  6. Step 6: Final answer
    x = 75,439.49

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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.