Home / 361,931.07-499,465.46-200,786.12

Finding the Fourth Proportional to 361,931.07, 499,465.46 and 200,786.12

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Solution

The fourth proportional to 361,931.07, 499,465.46 and 200,786.12 is: 277,085.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,931.07 : 499,465.46 = 200,786.12 : x
  2. Step 2: Convert to fraction form
    361,931.07/499,465.46 = 200,786.12/x
  3. Step 3: Cross multiply
    361,931.07x = 499,465.46 × 200,786.12
  4. Step 4: Simplify right side
    361,931.07x = 100,285,733,538.04
  5. Step 5: Solve for x
    x = 100,285,733,538.04/361,931.07
  6. Step 6: Final answer
    x = 277,085.17

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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.