Home / 156,777.30-235,206.45-68,010.48

Finding the Fourth Proportional to 156,777.30, 235,206.45 and 68,010.48

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Solution

The fourth proportional to 156,777.30, 235,206.45 and 68,010.48 is: 102,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,777.30 : 235,206.45 = 68,010.48 : x
  2. Step 2: Convert to fraction form
    156,777.30/235,206.45 = 68,010.48/x
  3. Step 3: Cross multiply
    156,777.30x = 235,206.45 × 68,010.48
  4. Step 4: Simplify right side
    156,777.30x = 15,996,503,563.60
  5. Step 5: Solve for x
    x = 15,996,503,563.60/156,777.30
  6. Step 6: Final answer
    x = 102,033.29

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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.