Home / 381,193.13-526,109.51-211,481.93

Finding the Fourth Proportional to 381,193.13, 526,109.51 and 211,481.93

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Solution

The fourth proportional to 381,193.13, 526,109.51 and 211,481.93 is: 291,880.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,193.13 : 526,109.51 = 211,481.93 : x
  2. Step 2: Convert to fraction form
    381,193.13/526,109.51 = 211,481.93/x
  3. Step 3: Cross multiply
    381,193.13x = 526,109.51 × 211,481.93
  4. Step 4: Simplify right side
    381,193.13x = 111,262,654,566.15
  5. Step 5: Solve for x
    x = 111,262,654,566.15/381,193.13
  6. Step 6: Final answer
    x = 291,880.01

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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.