Home / 199,012.55-274,633.37-108,369.59

Finding the Fourth Proportional to 199,012.55, 274,633.37 and 108,369.59

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Solution

The fourth proportional to 199,012.55, 274,633.37 and 108,369.59 is: 149,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,012.55 : 274,633.37 = 108,369.59 : x
  2. Step 2: Convert to fraction form
    199,012.55/274,633.37 = 108,369.59/x
  3. Step 3: Cross multiply
    199,012.55x = 274,633.37 × 108,369.59
  4. Step 4: Simplify right side
    199,012.55x = 29,761,905,707.22
  5. Step 5: Solve for x
    x = 29,761,905,707.22/199,012.55
  6. Step 6: Final answer
    x = 149,547.88

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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.