Home / 196,453.64-271,138.63-115,900.96

Finding the Fourth Proportional to 196,453.64, 271,138.63 and 115,900.96

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Solution

The fourth proportional to 196,453.64, 271,138.63 and 115,900.96 is: 159,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,453.64 : 271,138.63 = 115,900.96 : x
  2. Step 2: Convert to fraction form
    196,453.64/271,138.63 = 115,900.96/x
  3. Step 3: Cross multiply
    196,453.64x = 271,138.63 × 115,900.96
  4. Step 4: Simplify right side
    196,453.64x = 31,425,226,154.39
  5. Step 5: Solve for x
    x = 31,425,226,154.39/196,453.64
  6. Step 6: Final answer
    x = 159,962.56

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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.