Home / 196,380.66-271,033.58-142,109.04

Finding the Fourth Proportional to 196,380.66, 271,033.58 and 142,109.04

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Solution

The fourth proportional to 196,380.66, 271,033.58 and 142,109.04 is: 196,130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,380.66 : 271,033.58 = 142,109.04 : x
  2. Step 2: Convert to fraction form
    196,380.66/271,033.58 = 142,109.04/x
  3. Step 3: Cross multiply
    196,380.66x = 271,033.58 × 142,109.04
  4. Step 4: Simplify right side
    196,380.66x = 38,516,321,861.56
  5. Step 5: Solve for x
    x = 38,516,321,861.56/196,380.66
  6. Step 6: Final answer
    x = 196,130.93

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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.