Home / 199,914.60-275,881.75-113,873.55

Finding the Fourth Proportional to 199,914.60, 275,881.75 and 113,873.55

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Solution

The fourth proportional to 199,914.60, 275,881.75 and 113,873.55 is: 157,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,914.60 : 275,881.75 = 113,873.55 : x
  2. Step 2: Convert to fraction form
    199,914.60/275,881.75 = 113,873.55/x
  3. Step 3: Cross multiply
    199,914.60x = 275,881.75 × 113,873.55
  4. Step 4: Simplify right side
    199,914.60x = 31,415,634,110.37
  5. Step 5: Solve for x
    x = 31,415,634,110.37/199,914.60
  6. Step 6: Final answer
    x = 157,145.27

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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.