Home / 140,544.05-193,819.35-111,958.75

Finding the Fourth Proportional to 140,544.05, 193,819.35 and 111,958.75

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Solution

The fourth proportional to 140,544.05, 193,819.35 and 111,958.75 is: 154,398.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,544.05 : 193,819.35 = 111,958.75 : x
  2. Step 2: Convert to fraction form
    140,544.05/193,819.35 = 111,958.75/x
  3. Step 3: Cross multiply
    140,544.05x = 193,819.35 × 111,958.75
  4. Step 4: Simplify right side
    140,544.05x = 21,699,771,667.26
  5. Step 5: Solve for x
    x = 21,699,771,667.26/140,544.05
  6. Step 6: Final answer
    x = 154,398.36

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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.