Home / 196,643.06-271,369.29-111,760.70

Finding the Fourth Proportional to 196,643.06, 271,369.29 and 111,760.70

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Solution

The fourth proportional to 196,643.06, 271,369.29 and 111,760.70 is: 154,230.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,643.06 : 271,369.29 = 111,760.70 : x
  2. Step 2: Convert to fraction form
    196,643.06/271,369.29 = 111,760.70/x
  3. Step 3: Cross multiply
    196,643.06x = 271,369.29 × 111,760.70
  4. Step 4: Simplify right side
    196,643.06x = 30,328,421,808.90
  5. Step 5: Solve for x
    x = 30,328,421,808.90/196,643.06
  6. Step 6: Final answer
    x = 154,230.83

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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.