Home / 156,839.99-235,127.73-68,026.60

Finding the Fourth Proportional to 156,839.99, 235,127.73 and 68,026.60

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Solution

The fourth proportional to 156,839.99, 235,127.73 and 68,026.60 is: 101,982.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,839.99 : 235,127.73 = 68,026.60 : x
  2. Step 2: Convert to fraction form
    156,839.99/235,127.73 = 68,026.60/x
  3. Step 3: Cross multiply
    156,839.99x = 235,127.73 × 68,026.60
  4. Step 4: Simplify right side
    156,839.99x = 15,994,940,203.98
  5. Step 5: Solve for x
    x = 15,994,940,203.98/156,839.99
  6. Step 6: Final answer
    x = 101,982.54

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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.