Home / 196,418.88-271,045.28-115,827.92

Finding the Fourth Proportional to 196,418.88, 271,045.28 and 115,827.92

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Solution

The fourth proportional to 196,418.88, 271,045.28 and 115,827.92 is: 159,835.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,418.88 : 271,045.28 = 115,827.92 : x
  2. Step 2: Convert to fraction form
    196,418.88/271,045.28 = 115,827.92/x
  3. Step 3: Cross multiply
    196,418.88x = 271,045.28 × 115,827.92
  4. Step 4: Simplify right side
    196,418.88x = 31,394,611,008.22
  5. Step 5: Solve for x
    x = 31,394,611,008.22/196,418.88
  6. Step 6: Final answer
    x = 159,835.00

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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.