Home / 156,932.90-235,388.55-50,315.30

Finding the Fourth Proportional to 156,932.90, 235,388.55 and 50,315.30

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Solution

The fourth proportional to 156,932.90, 235,388.55 and 50,315.30 is: 75,469.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,932.90 : 235,388.55 = 50,315.30 : x
  2. Step 2: Convert to fraction form
    156,932.90/235,388.55 = 50,315.30/x
  3. Step 3: Cross multiply
    156,932.90x = 235,388.55 × 50,315.30
  4. Step 4: Simplify right side
    156,932.90x = 11,843,645,509.82
  5. Step 5: Solve for x
    x = 11,843,645,509.82/156,932.90
  6. Step 6: Final answer
    x = 75,469.49

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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.