Home / 156,910.44-235,340.85-68,140.11

Finding the Fourth Proportional to 156,910.44, 235,340.85 and 68,140.11

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Solution

The fourth proportional to 156,910.44, 235,340.85 and 68,140.11 is: 102,199.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,910.44 : 235,340.85 = 68,140.11 : x
  2. Step 2: Convert to fraction form
    156,910.44/235,340.85 = 68,140.11/x
  3. Step 3: Cross multiply
    156,910.44x = 235,340.85 × 68,140.11
  4. Step 4: Simplify right side
    156,910.44x = 16,036,151,406.49
  5. Step 5: Solve for x
    x = 16,036,151,406.49/156,910.44
  6. Step 6: Final answer
    x = 102,199.39

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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.