Home / 361,277.05-498,555.78-200,131.60

Finding the Fourth Proportional to 361,277.05, 498,555.78 and 200,131.60

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Solution

The fourth proportional to 361,277.05, 498,555.78 and 200,131.60 is: 276,177.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,277.05 : 498,555.78 = 200,131.60 : x
  2. Step 2: Convert to fraction form
    361,277.05/498,555.78 = 200,131.60/x
  3. Step 3: Cross multiply
    361,277.05x = 498,555.78 × 200,131.60
  4. Step 4: Simplify right side
    361,277.05x = 99,776,765,940.65
  5. Step 5: Solve for x
    x = 99,776,765,940.65/361,277.05
  6. Step 6: Final answer
    x = 276,177.98

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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.