Home / 356,246.94-491,621.50-192,905.22

Finding the Fourth Proportional to 356,246.94, 491,621.50 and 192,905.22

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Solution

The fourth proportional to 356,246.94, 491,621.50 and 192,905.22 is: 266,209.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,246.94 : 491,621.50 = 192,905.22 : x
  2. Step 2: Convert to fraction form
    356,246.94/491,621.50 = 192,905.22/x
  3. Step 3: Cross multiply
    356,246.94x = 491,621.50 × 192,905.22
  4. Step 4: Simplify right side
    356,246.94x = 94,836,353,614.23
  5. Step 5: Solve for x
    x = 94,836,353,614.23/356,246.94
  6. Step 6: Final answer
    x = 266,209.59

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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.