Home / 199,259.12-274,973.19-108,611.60

Finding the Fourth Proportional to 199,259.12, 274,973.19 and 108,611.60

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Solution

The fourth proportional to 199,259.12, 274,973.19 and 108,611.60 is: 149,881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,259.12 : 274,973.19 = 108,611.60 : x
  2. Step 2: Convert to fraction form
    199,259.12/274,973.19 = 108,611.60/x
  3. Step 3: Cross multiply
    199,259.12x = 274,973.19 × 108,611.60
  4. Step 4: Simplify right side
    199,259.12x = 29,865,278,123.00
  5. Step 5: Solve for x
    x = 29,865,278,123.00/199,259.12
  6. Step 6: Final answer
    x = 149,881.61

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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.