Home / 200,421.80-276,582.20-109,777.73

Finding the Fourth Proportional to 200,421.80, 276,582.20 and 109,777.73

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Solution

The fourth proportional to 200,421.80, 276,582.20 and 109,777.73 is: 151,493.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,421.80 : 276,582.20 = 109,777.73 : x
  2. Step 2: Convert to fraction form
    200,421.80/276,582.20 = 109,777.73/x
  3. Step 3: Cross multiply
    200,421.80x = 276,582.20 × 109,777.73
  4. Step 4: Simplify right side
    200,421.80x = 30,362,564,142.61
  5. Step 5: Solve for x
    x = 30,362,564,142.61/200,421.80
  6. Step 6: Final answer
    x = 151,493.33

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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.