Home / 196,637.85-271,383.27-111,767.67

Finding the Fourth Proportional to 196,637.85, 271,383.27 and 111,767.67

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Solution

The fourth proportional to 196,637.85, 271,383.27 and 111,767.67 is: 154,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,637.85 : 271,383.27 = 111,767.67 : x
  2. Step 2: Convert to fraction form
    196,637.85/271,383.27 = 111,767.67/x
  3. Step 3: Cross multiply
    196,637.85x = 271,383.27 × 111,767.67
  4. Step 4: Simplify right side
    196,637.85x = 30,331,875,764.88
  5. Step 5: Solve for x
    x = 30,331,875,764.88/196,637.85
  6. Step 6: Final answer
    x = 154,252.48

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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.