Home / 377,189.90-520,519.20-205,107.93

Finding the Fourth Proportional to 377,189.90, 520,519.20 and 205,107.93

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Solution

The fourth proportional to 377,189.90, 520,519.20 and 205,107.93 is: 283,047.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,189.90 : 520,519.20 = 205,107.93 : x
  2. Step 2: Convert to fraction form
    377,189.90/520,519.20 = 205,107.93/x
  3. Step 3: Cross multiply
    377,189.90x = 520,519.20 × 205,107.93
  4. Step 4: Simplify right side
    377,189.90x = 106,762,614,868.10
  5. Step 5: Solve for x
    x = 106,762,614,868.10/377,189.90
  6. Step 6: Final answer
    x = 283,047.39

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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.