Home / 196,631.60-271,374.64-111,761.42

Finding the Fourth Proportional to 196,631.60, 271,374.64 and 111,761.42

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Solution

The fourth proportional to 196,631.60, 271,374.64 and 111,761.42 is: 154,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,631.60 : 271,374.64 = 111,761.42 : x
  2. Step 2: Convert to fraction form
    196,631.60/271,374.64 = 111,761.42/x
  3. Step 3: Cross multiply
    196,631.60x = 271,374.64 × 111,761.42
  4. Step 4: Simplify right side
    196,631.60x = 30,329,213,482.11
  5. Step 5: Solve for x
    x = 30,329,213,482.11/196,631.60
  6. Step 6: Final answer
    x = 154,243.85

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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.