Home / 196,730.87-271,478.99-111,846.11

Finding the Fourth Proportional to 196,730.87, 271,478.99 and 111,846.11

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Solution

The fourth proportional to 196,730.87, 271,478.99 and 111,846.11 is: 154,342.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,730.87 : 271,478.99 = 111,846.11 : x
  2. Step 2: Convert to fraction form
    196,730.87/271,478.99 = 111,846.11/x
  3. Step 3: Cross multiply
    196,730.87x = 271,478.99 × 111,846.11
  4. Step 4: Simplify right side
    196,730.87x = 30,363,867,900.45
  5. Step 5: Solve for x
    x = 30,363,867,900.45/196,730.87
  6. Step 6: Final answer
    x = 154,342.17

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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.