Home / 144,053.36-198,804.66-79,535.04

Finding the Fourth Proportional to 144,053.36, 198,804.66 and 79,535.04

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Solution

The fourth proportional to 144,053.36, 198,804.66 and 79,535.04 is: 109,764.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,053.36 : 198,804.66 = 79,535.04 : x
  2. Step 2: Convert to fraction form
    144,053.36/198,804.66 = 79,535.04/x
  3. Step 3: Cross multiply
    144,053.36x = 198,804.66 × 79,535.04
  4. Step 4: Simplify right side
    144,053.36x = 15,811,936,287.03
  5. Step 5: Solve for x
    x = 15,811,936,287.03/144,053.36
  6. Step 6: Final answer
    x = 109,764.44

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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.