Home / 351,422.20-527,184.78-111,456.05

Finding the Fourth Proportional to 351,422.20, 527,184.78 and 111,456.05

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Solution

The fourth proportional to 351,422.20, 527,184.78 and 111,456.05 is: 167,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,422.20 : 527,184.78 = 111,456.05 : x
  2. Step 2: Convert to fraction form
    351,422.20/527,184.78 = 111,456.05/x
  3. Step 3: Cross multiply
    351,422.20x = 527,184.78 × 111,456.05
  4. Step 4: Simplify right side
    351,422.20x = 58,757,933,423.92
  5. Step 5: Solve for x
    x = 58,757,933,423.92/351,422.20
  6. Step 6: Final answer
    x = 167,200.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.