Home / 361,941.75-499,480.02-211,067.91

Finding the Fourth Proportional to 361,941.75, 499,480.02 and 211,067.91

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Solution

The fourth proportional to 361,941.75, 499,480.02 and 211,067.91 is: 291,273.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,941.75 : 499,480.02 = 211,067.91 : x
  2. Step 2: Convert to fraction form
    361,941.75/499,480.02 = 211,067.91/x
  3. Step 3: Cross multiply
    361,941.75x = 499,480.02 × 211,067.91
  4. Step 4: Simplify right side
    361,941.75x = 105,424,203,908.16
  5. Step 5: Solve for x
    x = 105,424,203,908.16/361,941.75
  6. Step 6: Final answer
    x = 291,273.95

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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.