Home / 382,168.54-527,386.62-210,082.78

Finding the Fourth Proportional to 382,168.54, 527,386.62 and 210,082.78

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Solution

The fourth proportional to 382,168.54, 527,386.62 and 210,082.78 is: 289,910.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,168.54 : 527,386.62 = 210,082.78 : x
  2. Step 2: Convert to fraction form
    382,168.54/527,386.62 = 210,082.78/x
  3. Step 3: Cross multiply
    382,168.54x = 527,386.62 × 210,082.78
  4. Step 4: Simplify right side
    382,168.54x = 110,794,847,264.40
  5. Step 5: Solve for x
    x = 110,794,847,264.40/382,168.54
  6. Step 6: Final answer
    x = 289,910.96

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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.