Home / 200,095.22-276,121.10-109,433.54

Finding the Fourth Proportional to 200,095.22, 276,121.10 and 109,433.54

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Solution

The fourth proportional to 200,095.22, 276,121.10 and 109,433.54 is: 151,012.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,095.22 : 276,121.10 = 109,433.54 : x
  2. Step 2: Convert to fraction form
    200,095.22/276,121.10 = 109,433.54/x
  3. Step 3: Cross multiply
    200,095.22x = 276,121.10 × 109,433.54
  4. Step 4: Simplify right side
    200,095.22x = 30,216,909,441.69
  5. Step 5: Solve for x
    x = 30,216,909,441.69/200,095.22
  6. Step 6: Final answer
    x = 151,012.65

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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.