Home / 350,931.12-484,286.40-189,786.17

Finding the Fourth Proportional to 350,931.12, 484,286.40 and 189,786.17

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Solution

The fourth proportional to 350,931.12, 484,286.40 and 189,786.17 is: 261,905.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,931.12 : 484,286.40 = 189,786.17 : x
  2. Step 2: Convert to fraction form
    350,931.12/484,286.40 = 189,786.17/x
  3. Step 3: Cross multiply
    350,931.12x = 484,286.40 × 189,786.17
  4. Step 4: Simplify right side
    350,931.12x = 91,910,857,668.73
  5. Step 5: Solve for x
    x = 91,910,857,668.73/350,931.12
  6. Step 6: Final answer
    x = 261,905.69

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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.