Home / 349,916.49-482,900.13-196,964.55

Finding the Fourth Proportional to 349,916.49, 482,900.13 and 196,964.55

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Solution

The fourth proportional to 349,916.49, 482,900.13 and 196,964.55 is: 271,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,916.49 : 482,900.13 = 196,964.55 : x
  2. Step 2: Convert to fraction form
    349,916.49/482,900.13 = 196,964.55/x
  3. Step 3: Cross multiply
    349,916.49x = 482,900.13 × 196,964.55
  4. Step 4: Simplify right side
    349,916.49x = 95,114,206,800.39
  5. Step 5: Solve for x
    x = 95,114,206,800.39/349,916.49
  6. Step 6: Final answer
    x = 271,819.73

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1.5x scale

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.