Home / 113,160.62-169,739.85-68,799.62

Finding the Fourth Proportional to 113,160.62, 169,739.85 and 68,799.62

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Solution

The fourth proportional to 113,160.62, 169,739.85 and 68,799.62 is: 103,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,160.62 : 169,739.85 = 68,799.62 : x
  2. Step 2: Convert to fraction form
    113,160.62/169,739.85 = 68,799.62/x
  3. Step 3: Cross multiply
    113,160.62x = 169,739.85 × 68,799.62
  4. Step 4: Simplify right side
    113,160.62x = 11,678,037,178.86
  5. Step 5: Solve for x
    x = 11,678,037,178.86/113,160.62
  6. Step 6: Final answer
    x = 103,198.77

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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.