Home / 118,985.66-164,198.68-67,997.81

Finding the Fourth Proportional to 118,985.66, 164,198.68 and 67,997.81

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Solution

The fourth proportional to 118,985.66, 164,198.68 and 67,997.81 is: 93,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,985.66 : 164,198.68 = 67,997.81 : x
  2. Step 2: Convert to fraction form
    118,985.66/164,198.68 = 67,997.81/x
  3. Step 3: Cross multiply
    118,985.66x = 164,198.68 × 67,997.81
  4. Step 4: Simplify right side
    118,985.66x = 11,165,150,644.89
  5. Step 5: Solve for x
    x = 11,165,150,644.89/118,985.66
  6. Step 6: Final answer
    x = 93,836.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.