Home / 200,330.28-276,469.20-115,453.08

Finding the Fourth Proportional to 200,330.28, 276,469.20 and 115,453.08

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Solution

The fourth proportional to 200,330.28, 276,469.20 and 115,453.08 is: 159,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,330.28 : 276,469.20 = 115,453.08 : x
  2. Step 2: Convert to fraction form
    200,330.28/276,469.20 = 115,453.08/x
  3. Step 3: Cross multiply
    200,330.28x = 276,469.20 × 115,453.08
  4. Step 4: Simplify right side
    200,330.28x = 31,919,220,665.14
  5. Step 5: Solve for x
    x = 31,919,220,665.14/200,330.28
  6. Step 6: Final answer
    x = 159,332.98

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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.