Home / 356,000.23-491,280.92-194,865.49

Finding the Fourth Proportional to 356,000.23, 491,280.92 and 194,865.49

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Solution

The fourth proportional to 356,000.23, 491,280.92 and 194,865.49 is: 268,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,000.23 : 491,280.92 = 194,865.49 : x
  2. Step 2: Convert to fraction form
    356,000.23/491,280.92 = 194,865.49/x
  3. Step 3: Cross multiply
    356,000.23x = 491,280.92 × 194,865.49
  4. Step 4: Simplify right side
    356,000.23x = 95,733,697,203.45
  5. Step 5: Solve for x
    x = 95,733,697,203.45/356,000.23
  6. Step 6: Final answer
    x = 268,914.71

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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.