Home / 196,817.18-271,599.89-116,270.64

Finding the Fourth Proportional to 196,817.18, 271,599.89 and 116,270.64

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Solution

The fourth proportional to 196,817.18, 271,599.89 and 116,270.64 is: 160,448.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,817.18 : 271,599.89 = 116,270.64 : x
  2. Step 2: Convert to fraction form
    196,817.18/271,599.89 = 116,270.64/x
  3. Step 3: Cross multiply
    196,817.18x = 271,599.89 × 116,270.64
  4. Step 4: Simplify right side
    196,817.18x = 31,579,092,452.88
  5. Step 5: Solve for x
    x = 31,579,092,452.88/196,817.18
  6. Step 6: Final answer
    x = 160,448.87

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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.