Home / 345,789.79-477,160.83-192,815.98

Finding the Fourth Proportional to 345,789.79, 477,160.83 and 192,815.98

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Solution

The fourth proportional to 345,789.79, 477,160.83 and 192,815.98 is: 266,069.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,789.79 : 477,160.83 = 192,815.98 : x
  2. Step 2: Convert to fraction form
    345,789.79/477,160.83 = 192,815.98/x
  3. Step 3: Cross multiply
    345,789.79x = 477,160.83 × 192,815.98
  4. Step 4: Simplify right side
    345,789.79x = 92,004,231,861.16
  5. Step 5: Solve for x
    x = 92,004,231,861.16/345,789.79
  6. Step 6: Final answer
    x = 266,069.84

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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.