Home / 196,747.02-271,510.92-111,869.28

Finding the Fourth Proportional to 196,747.02, 271,510.92 and 111,869.28

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Solution

The fourth proportional to 196,747.02, 271,510.92 and 111,869.28 is: 154,379.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,747.02 : 271,510.92 = 111,869.28 : x
  2. Step 2: Convert to fraction form
    196,747.02/271,510.92 = 111,869.28/x
  3. Step 3: Cross multiply
    196,747.02x = 271,510.92 × 111,869.28
  4. Step 4: Simplify right side
    196,747.02x = 30,373,731,132.54
  5. Step 5: Solve for x
    x = 30,373,731,132.54/196,747.02
  6. Step 6: Final answer
    x = 154,379.62

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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.