Home / 200,357.21-276,496.35-109,711.73

Finding the Fourth Proportional to 200,357.21, 276,496.35 and 109,711.73

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Solution

The fourth proportional to 200,357.21, 276,496.35 and 109,711.73 is: 151,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,357.21 : 276,496.35 = 109,711.73 : x
  2. Step 2: Convert to fraction form
    200,357.21/276,496.35 = 109,711.73/x
  3. Step 3: Cross multiply
    200,357.21x = 276,496.35 × 109,711.73
  4. Step 4: Simplify right side
    200,357.21x = 30,334,892,897.19
  5. Step 5: Solve for x
    x = 30,334,892,897.19/200,357.21
  6. Step 6: Final answer
    x = 151,404.05

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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.