Home / 199,917.60-275,885.89-113,876.55

Finding the Fourth Proportional to 199,917.60, 275,885.89 and 113,876.55

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Solution

The fourth proportional to 199,917.60, 275,885.89 and 113,876.55 is: 157,149.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,917.60 : 275,885.89 = 113,876.55 : x
  2. Step 2: Convert to fraction form
    199,917.60/275,885.89 = 113,876.55/x
  3. Step 3: Cross multiply
    199,917.60x = 275,885.89 × 113,876.55
  4. Step 4: Simplify right side
    199,917.60x = 31,416,933,346.88
  5. Step 5: Solve for x
    x = 31,416,933,346.88/199,917.60
  6. Step 6: Final answer
    x = 157,149.41

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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.