Home / 196,432.80-271,079.15-111,550.47

Finding the Fourth Proportional to 196,432.80, 271,079.15 and 111,550.47

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Solution

The fourth proportional to 196,432.80, 271,079.15 and 111,550.47 is: 153,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,432.80 : 271,079.15 = 111,550.47 : x
  2. Step 2: Convert to fraction form
    196,432.80/271,079.15 = 111,550.47/x
  3. Step 3: Cross multiply
    196,432.80x = 271,079.15 × 111,550.47
  4. Step 4: Simplify right side
    196,432.80x = 30,239,006,589.70
  5. Step 5: Solve for x
    x = 30,239,006,589.70/196,432.80
  6. Step 6: Final answer
    x = 153,940.72

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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.