Home / 366,143.11-505,234.29-211,092.66

Finding the Fourth Proportional to 366,143.11, 505,234.29 and 211,092.66

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Solution

The fourth proportional to 366,143.11, 505,234.29 and 211,092.66 is: 291,282.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,143.11 : 505,234.29 = 211,092.66 : x
  2. Step 2: Convert to fraction form
    366,143.11/505,234.29 = 211,092.66/x
  3. Step 3: Cross multiply
    366,143.11x = 505,234.29 × 211,092.66
  4. Step 4: Simplify right side
    366,143.11x = 106,651,249,143.85
  5. Step 5: Solve for x
    x = 106,651,249,143.85/366,143.11
  6. Step 6: Final answer
    x = 291,282.96

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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.