Home / 200,351.11-276,472.30-109,708.15

Finding the Fourth Proportional to 200,351.11, 276,472.30 and 109,708.15

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Solution

The fourth proportional to 200,351.11, 276,472.30 and 109,708.15 is: 151,390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,351.11 : 276,472.30 = 109,708.15 : x
  2. Step 2: Convert to fraction form
    200,351.11/276,472.30 = 109,708.15/x
  3. Step 3: Cross multiply
    200,351.11x = 276,472.30 × 109,708.15
  4. Step 4: Simplify right side
    200,351.11x = 30,331,264,559.25
  5. Step 5: Solve for x
    x = 30,331,264,559.25/200,351.11
  6. Step 6: Final answer
    x = 151,390.55

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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.