Home / 253,581.39-349,942.34-140,404.14

Finding the Fourth Proportional to 253,581.39, 349,942.34 and 140,404.14

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Solution

The fourth proportional to 253,581.39, 349,942.34 and 140,404.14 is: 193,757.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,581.39 : 349,942.34 = 140,404.14 : x
  2. Step 2: Convert to fraction form
    253,581.39/349,942.34 = 140,404.14/x
  3. Step 3: Cross multiply
    253,581.39x = 349,942.34 × 140,404.14
  4. Step 4: Simplify right side
    253,581.39x = 49,133,353,648.30
  5. Step 5: Solve for x
    x = 49,133,353,648.30/253,581.39
  6. Step 6: Final answer
    x = 193,757.73

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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.