Home / 381,171.98-526,021.44-211,417.04

Finding the Fourth Proportional to 381,171.98, 526,021.44 and 211,417.04

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Solution

The fourth proportional to 381,171.98, 526,021.44 and 211,417.04 is: 291,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,171.98 : 526,021.44 = 211,417.04 : x
  2. Step 2: Convert to fraction form
    381,171.98/526,021.44 = 211,417.04/x
  3. Step 3: Cross multiply
    381,171.98x = 526,021.44 × 211,417.04
  4. Step 4: Simplify right side
    381,171.98x = 111,209,895,821.34
  5. Step 5: Solve for x
    x = 111,209,895,821.34/381,171.98
  6. Step 6: Final answer
    x = 291,757.79

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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.