Home / 381,946.16-527,076.24-212,180.70

Finding the Fourth Proportional to 381,946.16, 527,076.24 and 212,180.70

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Solution

The fourth proportional to 381,946.16, 527,076.24 and 212,180.70 is: 292,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,946.16 : 527,076.24 = 212,180.70 : x
  2. Step 2: Convert to fraction form
    381,946.16/527,076.24 = 212,180.70/x
  3. Step 3: Cross multiply
    381,946.16x = 527,076.24 × 212,180.70
  4. Step 4: Simplify right side
    381,946.16x = 111,835,405,556.57
  5. Step 5: Solve for x
    x = 111,835,405,556.57/381,946.16
  6. Step 6: Final answer
    x = 292,804.11

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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.