Home / 118,985.09-164,198.96-73,654.04

Finding the Fourth Proportional to 118,985.09, 164,198.96 and 73,654.04

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Solution

The fourth proportional to 118,985.09, 164,198.96 and 73,654.04 is: 101,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,985.09 : 164,198.96 = 73,654.04 : x
  2. Step 2: Convert to fraction form
    118,985.09/164,198.96 = 73,654.04/x
  3. Step 3: Cross multiply
    118,985.09x = 164,198.96 × 73,654.04
  4. Step 4: Simplify right side
    118,985.09x = 12,093,915,578.53
  5. Step 5: Solve for x
    x = 12,093,915,578.53/118,985.09
  6. Step 6: Final answer
    x = 101,642.28

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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.