Home / 196,658.55-271,386.82-109,442.18

Finding the Fourth Proportional to 196,658.55, 271,386.82 and 109,442.18

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Solution

The fourth proportional to 196,658.55, 271,386.82 and 109,442.18 is: 151,029.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,658.55 : 271,386.82 = 109,442.18 : x
  2. Step 2: Convert to fraction form
    196,658.55/271,386.82 = 109,442.18/x
  3. Step 3: Cross multiply
    196,658.55x = 271,386.82 × 109,442.18
  4. Step 4: Simplify right side
    196,658.55x = 29,701,165,204.07
  5. Step 5: Solve for x
    x = 29,701,165,204.07/196,658.55
  6. Step 6: Final answer
    x = 151,029.11

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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.