Home / 381,235.16-526,121.70-211,469.24

Finding the Fourth Proportional to 381,235.16, 526,121.70 and 211,469.24

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Solution

The fourth proportional to 381,235.16, 526,121.70 and 211,469.24 is: 291,837.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,235.16 : 526,121.70 = 211,469.24 : x
  2. Step 2: Convert to fraction form
    381,235.16/526,121.70 = 211,469.24/x
  3. Step 3: Cross multiply
    381,235.16x = 526,121.70 × 211,469.24
  4. Step 4: Simplify right side
    381,235.16x = 111,258,556,046.51
  5. Step 5: Solve for x
    x = 111,258,556,046.51/381,235.16
  6. Step 6: Final answer
    x = 291,837.08

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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.