Home / 200,306.13-276,425.76-109,660.59

Finding the Fourth Proportional to 200,306.13, 276,425.76 and 109,660.59

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Solution

The fourth proportional to 200,306.13, 276,425.76 and 109,660.59 is: 151,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,306.13 : 276,425.76 = 109,660.59 : x
  2. Step 2: Convert to fraction form
    200,306.13/276,425.76 = 109,660.59/x
  3. Step 3: Cross multiply
    200,306.13x = 276,425.76 × 109,660.59
  4. Step 4: Simplify right side
    200,306.13x = 30,313,011,932.80
  5. Step 5: Solve for x
    x = 30,313,011,932.80/200,306.13
  6. Step 6: Final answer
    x = 151,333.42

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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.