Home / 156,943.20-235,469.48-68,260.35

Finding the Fourth Proportional to 156,943.20, 235,469.48 and 68,260.35

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Solution

The fourth proportional to 156,943.20, 235,469.48 and 68,260.35 is: 102,414.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,943.20 : 235,469.48 = 68,260.35 : x
  2. Step 2: Convert to fraction form
    156,943.20/235,469.48 = 68,260.35/x
  3. Step 3: Cross multiply
    156,943.20x = 235,469.48 × 68,260.35
  4. Step 4: Simplify right side
    156,943.20x = 16,073,228,777.82
  5. Step 5: Solve for x
    x = 16,073,228,777.82/156,943.20
  6. Step 6: Final answer
    x = 102,414.31

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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.