Home / 196,631.47-271,374.47-111,761.29

Finding the Fourth Proportional to 196,631.47, 271,374.47 and 111,761.29

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Solution

The fourth proportional to 196,631.47, 271,374.47 and 111,761.29 is: 154,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,631.47 : 271,374.47 = 111,761.29 : x
  2. Step 2: Convert to fraction form
    196,631.47/271,374.47 = 111,761.29/x
  3. Step 3: Cross multiply
    196,631.47x = 271,374.47 × 111,761.29
  4. Step 4: Simplify right side
    196,631.47x = 30,329,160,840.27
  5. Step 5: Solve for x
    x = 30,329,160,840.27/196,631.47
  6. Step 6: Final answer
    x = 154,243.68

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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.