Home / 196,440.11-271,089.26-111,557.78

Finding the Fourth Proportional to 196,440.11, 271,089.26 and 111,557.78

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Solution

The fourth proportional to 196,440.11, 271,089.26 and 111,557.78 is: 153,950.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,440.11 : 271,089.26 = 111,557.78 : x
  2. Step 2: Convert to fraction form
    196,440.11/271,089.26 = 111,557.78/x
  3. Step 3: Cross multiply
    196,440.11x = 271,089.26 × 111,557.78
  4. Step 4: Simplify right side
    196,440.11x = 30,242,116,027.44
  5. Step 5: Solve for x
    x = 30,242,116,027.44/196,440.11
  6. Step 6: Final answer
    x = 153,950.82

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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.