Home / 196,408.10-271,035.54-120,055.02

Finding the Fourth Proportional to 196,408.10, 271,035.54 and 120,055.02

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Solution

The fourth proportional to 196,408.10, 271,035.54 and 120,055.02 is: 165,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,408.10 : 271,035.54 = 120,055.02 : x
  2. Step 2: Convert to fraction form
    196,408.10/271,035.54 = 120,055.02/x
  3. Step 3: Cross multiply
    196,408.10x = 271,035.54 × 120,055.02
  4. Step 4: Simplify right side
    196,408.10x = 32,539,177,175.41
  5. Step 5: Solve for x
    x = 32,539,177,175.41/196,408.10
  6. Step 6: Final answer
    x = 165,671.26

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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.