Home / 196,558.48-271,257.96-111,689.92

Finding the Fourth Proportional to 196,558.48, 271,257.96 and 111,689.92

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Solution

The fourth proportional to 196,558.48, 271,257.96 and 111,689.92 is: 154,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,558.48 : 271,257.96 = 111,689.92 : x
  2. Step 2: Convert to fraction form
    196,558.48/271,257.96 = 111,689.92/x
  3. Step 3: Cross multiply
    196,558.48x = 271,257.96 × 111,689.92
  4. Step 4: Simplify right side
    196,558.48x = 30,296,779,851.76
  5. Step 5: Solve for x
    x = 30,296,779,851.76/196,558.48
  6. Step 6: Final answer
    x = 154,136.21

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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.