Home / 196,420.56-271,060.44-106,996.56

Finding the Fourth Proportional to 196,420.56, 271,060.44 and 106,996.56

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Solution

The fourth proportional to 196,420.56, 271,060.44 and 106,996.56 is: 147,655.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,420.56 : 271,060.44 = 106,996.56 : x
  2. Step 2: Convert to fraction form
    196,420.56/271,060.44 = 106,996.56/x
  3. Step 3: Cross multiply
    196,420.56x = 271,060.44 × 106,996.56
  4. Step 4: Simplify right side
    196,420.56x = 29,002,534,632.09
  5. Step 5: Solve for x
    x = 29,002,534,632.09/196,420.56
  6. Step 6: Final answer
    x = 147,655.29

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1.5x scale

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.