Home / 196,693.20-271,389.96-111,803.58

Finding the Fourth Proportional to 196,693.20, 271,389.96 and 111,803.58

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Solution

The fourth proportional to 196,693.20, 271,389.96 and 111,803.58 is: 154,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,693.20 : 271,389.96 = 111,803.58 : x
  2. Step 2: Convert to fraction form
    196,693.20/271,389.96 = 111,803.58/x
  3. Step 3: Cross multiply
    196,693.20x = 271,389.96 × 111,803.58
  4. Step 4: Simplify right side
    196,693.20x = 30,342,369,104.06
  5. Step 5: Solve for x
    x = 30,342,369,104.06/196,693.20
  6. Step 6: Final answer
    x = 154,262.42

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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.