Home / 196,391.68-271,023.68-111,511.04

Finding the Fourth Proportional to 196,391.68, 271,023.68 and 111,511.04

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Solution

The fourth proportional to 196,391.68, 271,023.68 and 111,511.04 is: 153,887.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,391.68 : 271,023.68 = 111,511.04 : x
  2. Step 2: Convert to fraction form
    196,391.68/271,023.68 = 111,511.04/x
  3. Step 3: Cross multiply
    196,391.68x = 271,023.68 × 111,511.04
  4. Step 4: Simplify right side
    196,391.68x = 30,222,132,421.43
  5. Step 5: Solve for x
    x = 30,222,132,421.43/196,391.68
  6. Step 6: Final answer
    x = 153,887.03

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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.