Home / 352,960.20-529,440.30-187,072.20

Finding the Fourth Proportional to 352,960.20, 529,440.30 and 187,072.20

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Solution

The fourth proportional to 352,960.20, 529,440.30 and 187,072.20 is: 280,608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,960.20 : 529,440.30 = 187,072.20 : x
  2. Step 2: Convert to fraction form
    352,960.20/529,440.30 = 187,072.20/x
  3. Step 3: Cross multiply
    352,960.20x = 529,440.30 × 187,072.20
  4. Step 4: Simplify right side
    352,960.20x = 99,043,561,689.66
  5. Step 5: Solve for x
    x = 99,043,561,689.66/352,960.20
  6. Step 6: Final answer
    x = 280,608.30

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1.5x scale

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.